fizik sbp akhir tahun f4

8/12/2019 Fizik Sbp Akhir Tahun f4

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SULIT 4531/11

SEKTOR SEKOLAH BERASRAMA PENUH

BAHAGIAN SEKOLAH

KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN AKHIR TAHUN (DIAGNOSTIK) TINGKATAN 4 2008

FIZIK

KERTAS 1

Satu jam lima belas minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini mengandungi 50 soalan.

2. Jawab semua soalan.

3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan.

4. Bagi setiap soalan hitamkan satu ruangan sahaja.

5. Sekiranya anda hendak menukarkan jawapan, padamkan tanda yang telah dibuat.

6. Kemudian hitamkan jawapan yang baru.

7. Satu senarai rumus disediakan di halaman 2

8. Penggunaan kalkulator saintifik yang tidak boleh diprogramkan adalah dibenarkan

4531/1

Fizik

Kertas 1

OKTOBER

2008

1 jam

Kertas ini mengandungi 22 halaman bercetak

MOZ@C


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SULIT 4531/13

Each question is followed by eitherthreeorfour options. Choose the best option for each question, then blackenthe correct space on the answer sheet.

1 Which of the following isnot a SI unit?

A kgB sC AD

oC

2 Which group contains only scalar quantities?

A B

C D

3 Diagram shows a hole at the wooden block.

Which measuring tool is the most suitable to measure the diameter and the depth of the hole?

A RulerB Vernier calipersC Ruler and Vernier calipersD Micrometer screw gauge and Ruler

Speed

Weight

Time

Volume

DistanceWork

Mass

Time

ForceMomentum

Velocity

Weight

Displacement

Area

Density

Energy

HoleWooden

block

MOZ@C


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SULIT 4531/14

4 Diagram (a) shows the scale of a micrometer screw gauge when the anvil and spindle areclosed. Diagram (b) shows the scale of the micrometer screw gauge when it is measuring the

thickness of a piece of glass.

DIAGRAM (a) DIAGRAM (b)

What is the zero error of the micrometer screw gauge and the actual thickness of the glass?

Zero error Actual thickness

A 0.02 mm 12.84 mmB 0.02 mm 12.86 mmC +0.02 mm 12.84 mmD +0.02 mm 12.86 mm

5 Diagram shows a track for 200m event. The athlete took 25 s to finish the race.

What is the velocity of the athlete ?

A25

350 B25

200

C25

150D

150

25

A

B

150 m

200 m

Start

Finish

MOZ@C


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SULIT 4531/15

6. A car starts from rest and goes down a slope with a constant acceleration of 5 ms-2

. After 5 sthe car reaches the bottom of the hill. What is its speed at the bottom of the hill?

A 1.0 ms-1

B 12.5 ms-1

C 25.0 ms-1

D 50.0 ms-1

7. Which displacement-time graph represents the motion of an object moving at constantvelocity ?

s/m

t/s

s/m

t/s

A Bs/m

t/s

C

s/m

t/s

D

MOZ@C


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SULIT 4531/16

8. The graph shows the speed of the car at position P,Q,R,S and T.

Which position shows the acceleration of the car is equal to zero?

A PQB PRC QS

D ST

9 The diagram shows a student is riding a skateboard and runs over a stone, he is thrown off fromthe skateboard.

This is due toA inertia

B decrease in velocityC change in accelerationD conservation of momentum

10 Which is not conserved when inelastic collision occurs?

A Total energyB Total momentumC Total kinetic energy

D Total mass

P

Q

R

S T

v/ ms-1

t/s

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SULIT 4531/17

11 Which of the following has the largest momentum?

A

Mass = 90 kgSpeed = 20 m s

1

B

Mass = 360 kg

Speed = 40 m s1

C

Mass = 1000 kgSpeed = 38 m s1

D

Mass = 12000 kg

Mass = 12000 kg

Speed = 3 m s1

12 Which quantity does not change when a body moves at constant acceleration.

A TimeB ForceC VelocityD Displacement

MOZ@C


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SULIT 4531/18

13 A person just supports a mass of 20 kg suspended from a rope.

What is the resultant force acting on the mass?

A 0 NB 10 N

C 20 ND 200 N

14 A softball player moves his hand backwards while catching a fast moving ball.

The movement of his hand is to

A increase the time impact.B increase the impulsive force.C decrease the energy of the ball

D increase the impulse of the ball

15 Which of the following is not a safety feature in the design of a vehicle?

A HeadrestB Soft cushionC Safety seat belts.

D Shatter-proof wind screen

2O kg

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SULIT 4531/19

16 A golfer hits a golf ball of mass 0.05 kg with a velocity of 20 ms-1

.

If the time of contact is 0.005 s. What is the impulsive force ?

A 0.1N

B 2.0 NC 20.0 ND 200.0 N

17 The diagram shows a coin and a marble being released at the same time in a vacuum cylinder.

Which observation is correct?

A The coin reaches the base earlier than the marbleB The marble reaches the base earlier than the coin

C Both reaches the base at the same timeD Both float in the cylinder.

18 An aeroplane flying at a particular height is said to be in equilibrium state when moving with

A constant velocityB constant accelerationC increasing velocity

D increasing acceleration

0.05kg

20ms-1

Coin Marble

Vacuum cylinder

Base

MOZ@C


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SULIT 4531/110

19 Diagram shows two cables, JK and LK are used to hold a flagpole upright. Each cable has atension 1 000 N and makes and angle 30

owith the surface of the ground.

What is the magnitude of the resultant force acting on the ground?

A 250 NB 500 NC 866 ND 1000 N

20 Which of the following is true regarding the Principle of Conservation of Energy?

A Energy can be createdB Energy can be destroyedC Total energy in the system is constantD Energy cannot be transformed from one type to another

21 A man of weight 600 N walking up a staircase consisting of 20 steps. Each step is 15 cm

height.

How much gravitational potential energy does he gain?

A 1800 J

B 9000 JC 12000 J

D 180000 J

1000 N 1000 N

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SULIT 4531/111

22. A crane lifted a load of 500 kg to a height of 50 m. If the energy input is5 x 10 5 J, calculate the efficiency of the crane.

A. 5 %B. 25 %C. 50 %

D. 75 %

23. Spring constant is higher if

A length of spring increaseB diameter of spring coil increaseC diameter of spring wire increase

D arrangement of springs in series

24. Diagram shows a spring of length 20 cm is compressed to a length of 10 cm when a loadof 12 kg is put on top of it. When the load M is put on top of it, the spring compressed toa length of 15 cm .

What is the value of M ?

A 4 kg

B 6 kg

C 8 kgD 9 kg

M Load

15 cm12 kg

10 cm

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SULIT 4531/112

25 A farmer has two carts. The carts have the same weight, but one has four narrow wheels and

the other has four wide wheels.

On rainy weather, which cart will sinks less into the soft ground, and explain why

A

B

C

D

Cart wheels Explanation

Narrow

Narrow

Wide

Wide

greater pressure on the ground

less pressure on the ground

greater pressure on the ground

less pressure on the ground

26 The diagram shows a small aquatic bird walking across lily pads without sinking into the

water.

Which of the following explains the above situation?

A The birds weight is small.B Its weight is spread out over a large area by its long toes.C Its weight is spread out over a large area of lily pads.D The density of the bird is less than the density of water.

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SULIT 4531/113

27 If each lorry has the same weight, which lorry exerts the least pressure?

A

B

C

D

28 Diagram shows two different liquids X and Y. At the same depth, liquid X spurts outfurther than liquid Y.

Which statement is true?

A Density of liquid Y is lower than liquid X.B Density of liquid Y is greater than liquid X.C Pressure of liquid Y is higher than liquid X.D Pressure of liquid Y is equal to pressure of liquid X.

Liquid X Liquid Y

hole hole

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SULIT 4531/114

29 Diagram shows a dam retaining water in a reservoir.

The wall of the dam is thicker at the base because the pressure in the water is

A the same at all water levels.

B directly proportional to the area.C directly proportional to the depth of the water.D inversely proportional to the denser of the water.

30 Which does not affect the pressure of liquid?

A Density of the liquidB Surface area of the liquidC Depth of the liquidD Strength of the gravitational field

31 Diagram shows a cylinder containing water.

If the pressure at point P is 12 000 N m-2

, the height of h is[the density of the water = 1000 kg m

-3]

A 0.8 m

B 1.0 mC 1.2 mD 2.0 m

Dam

Water

P

h

2.0 m

Water

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SULIT 4531/115

32 Diagram shows a little girl is drinking with a straw.

The water can flow into the straw because

A there is no atmospheric pressure on the straw .B the atmospheric pressure is equal to the pressure inside the straw.

C the atmospheric pressure is less than the pressure inside the straw.D the atmospheric pressure is more than the pressure inside the straw.

33. Diagram shows a manometer filled with water. One arm of the manometer is connected to agas supply. The difference height of the water level between each arm is h cm.

Height h can be increased by

A using mercury liquid

B sloping the manometer tubeC using tube with bigger diameterD using oil which has a lower density than water

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SULIT 4531/116

34

When the piston is pushed forward as shown in Diagram, water are spurted out in all

directions with equal speed. This is because

A liquid is easy to expandB the water pressure increaseC thrust force acted on the waterD water pressure is transmitted uniformly

35 Which device is an application of Pascals principle?

36 The input piston of a hydraulic press is pushed down 2.0 cm from the original position. If the

cross sectional area of the input piston is 5.0 cm2and of the output piston is 50 cm2, how muchwill the load raised up?

A 0.2 cmB 1.0 cmC 1.5 cmD 1.8 cm

piston is pushed

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SULIT 4531/117

37 Diagram shows three blocks A, B, and C are floating in water.

Blocks A and B have the same mass and volume. Block C has the same volume, butsubmerged to a greater depth than the other two blocks. Which statement isnot true?

A The density of block A is less than the density of block C.B The weight of block C is greater than the weight of block AC The buoyant force acting on block A is equal to that acting on block B.

D The volume of water displaced by block A is greater than that displaced byblock B.

38 Diagram shows a ship with a total mass of 1200 kg . The volume of submerged portion ofthe ship is 2 m

3.

What is the weight of the water displaced?

A 2400 N

B 12000 NC 20000 ND 24000 N

MOZ@C


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SULIT 4531/118

air jet

39 Diagram shows two ping pong balls hung by a rope.

An air jet is blown between the two ping pong balls. The two ping pong balls will

A move closer to each other

B move further from each other

C remain stationaryD move upwards

40 Diagram shows the flow of air in an underground tunnel.

The flow of air through the tunnel from X to Y can be explained using

A Pascals principleB Bernoullis principleC Archimedes principleD Principle of equilibrium

Slow air

X

Fast air

Y

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SULIT 4531/119

41 Diagram shows a sailboat.

The sailboat is able to accelerate forward because

A the wind flow at region A is faster than region B

B the wind flow at region A is slower than region BC the wind flow at region A is equal to region BD the wind only flow at region A

42 . Diagram shows a copper block at temperature of 90 o

C is in contact with an iron block attemperature of 50 oC.

What is the temperature of the iron block when thermal equilibrium is achieved between thecopper block and the iron block after a few minutes?

A Same as room temperature.B Less than 50 oC.

C Between 50 oC and 90 oC.D More than 90 oC.

Copper block

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SULIT 4531/120

43. A clinical thermometer is designed to respond quickly to a change in temperature and to have ahigh sensitivity.

Which features should the clinical thermometer have?

Glass Bulb Bore

A

B

C

D

Thick glassThick glassThin glassThin glass

narrowwidenarrowwide

44. The table shows the specific heat capacity of four materials P, Q, R and S.

Material Specific heat capacity/Jkg- C-

PQRS

800910

13001600

Which material is most suitable in making the handle of a pot?

A PB Q

C RD S

Glass bulb Bore

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SULIT 4531/121

45.

The graph shows the heating curve of a 500 g liquid P by a 60 W immersion heater.The specific heat capacity of the liquid Q is

A 220 J kg-1 o

C-1

B 720 J kg-1 o

C-1

C 1260 J kg-1 oC-1

D 1680 J kg-1 o

C-1

46. A block of ice is heated at a constant rate. Eventually the melted ice boils. The graph showshow the temperature changes with time.

How many minutes did it take to melt all the ice?

A 4 B 7 C 9 D 11

47. The latent heat of fusion of a substance is the quantity of heat required to

A increase the temperature of the substanceB increase the kinetic energy of the molecules in the solid substance.C change the phase of liquid to gas without a change in temperature.

D overcome the attractive force between the molecules in the solid substance so that theyare free to move.

1 2 3 4 5 6

50

40

30

20

10

0 t / minute7

60

70

Temperature /o

C

100

0

Temperature/0C

0 5 10

Time/minutes

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SULIT 4531/122

48 Diagram shows the air pressure in a tyre of a car before starting a journey.

After a long non-stop journey, the pressure of the tyre is 212.0 kNm-2

. This because

A. the volume of air in the tyre decreases.B. the temperature of air in the tyre increases.C. the number of air molecules in the tyre increases.D. frequency of collision between the air molecules in the tyre decreases.

49. The air pressure in a gas tank is 200 k Nm-2

at a temperature of 27o

C. What is the air pressurein the gas tank at a temperature of 37 oC ?

[ Assume the volume of the air in the gas tank is kept constant ]

A 109.4 k Nm-2

B 145.9 k Nm-2

C 193.5 k Nm-2

D 206.7 k Nm-2

50 Diagram shows the image of a boy seen in a mirror. The mirror is for security in a shop.

What type of mirror is being used?

A Plane mirrorB Convex mirrorC Concave mirrorD Parabolic mirror

END OF THE QUESTIONS

MOZ@C


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BAHAGIAN SEKOLAH



FIZIK

KERTAS 2

Dua jam tiga puluh minit

(Anda dinasihatkan untuk memperuntukkan masa 90 minit untuk Bahagian A,

30 minit untuk Bahagian B dan 30 minit untuk Bahagian C)

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU.

Untuk Kegunaan Pemeriksa

Bahagian Soalan Markah

Penuh Markah

A

1 4

2 5

3 6

4 7

5 8

6 8

7 10

8 12

Jumlah Bahagian A 60

B9 20

10 20

C11 20

12 20

Jumlah Besar

1. Kertas soalan ini mengandungi tiga bahagian :Bahagian A, Bahagian B dan Bahagian C

2. Jawabsemuasoalan dalam Bahagian A, satusoalan daripadaBahagian Bdan satusoalandaripada Bahagian C.

3. Jawapan kepada ketiga-tiga bahagian ini

hendaklah diserahkan bersama-sama.4. Jawapan kepadaBahagian Ahendaklah ditulis

dalam ruang yang disediakan dalam kertas soalan.5. Jawapan kepada Bahagian B dan Bahagian C

hendaklah dituliskan pada ruang jawapan yangdisediakan dalam kertas soalan ini. Walaubagaimanapun kertas tulis tambahan sekiranyadigunakan, perlulah diikat bersama dengan bukusoalan ini. Dalam jawapan anda, persamaan,gambar rajah, jadual, graf dan cara lain yangsesuai untuk menjelaskan jawapan anda bolehdigunakan.

6. Rajah tidak dilukis mengikut skalakecualidinyatakan.

7. Markah maksimum yang diperuntukkan ditunjukkandalam kurungan pada hujung tiap-tiap soalan ataubahagian soalan.

8. Penggunaan kalkulator saintifik yangtidakbolehdiprogramkan dibenarkan.

Kertas ini mengandungi 22 halaman bercetak4531/2 SULIT

Nama : .............................. Tingkatan :

4531/2FizikKertas 2OKTOBER20082 Jam

SULITMOZ@C

SMS MUZAFFAR SYAH , MELAKA


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2

The following information maybe useful. The symbols have their usual meaning.

1. v2 =u2 + 2as

2. a=t

uv

3. s= ut+2

1at2

4. Momentum =mv

5. F = ma

6. Kinetic Energy = mv2

7. Gravitational Potential Energy =mgh

8. Elastic Potential Energy =2

1Fx

9. F = kx

10. =V

m

11. Pressure in liquid,P = hg

12. Pressure,P=A

F

13. Heat, Q =mc

14. Heat, Q =m

15. P1V1= P2V2

16.2

2

1

1

T

V

T

V

17.2

2

1

1

T

P

T

P

18.T

PV= constant

19. g= 10 ms-2

MOZ@C



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4531/2 SULIT

3

Section A

[60marks]

Answerallquestion

1 Diagram 1 shows a micrometer screw gauge when the jaws are closed.Rajah 1 menunjukkan sebuah tolok skru mikrometer semasa rahangnya rapat.

a) Name the part label P.Namakan bahagian berlabel P.

..........................................[1mark]

b) What is the function of the part label P?Apakah fungsi bahagian berlabel P ?

..........................................[1mark]

c) What is the value of zero error shown by the micrometer above?Berapakah nilai ralat sifar yang ditunjukkan oleh tolok skru mikrometer di atas?

..........................................[1mark]

d) Give one reason why micrometer screw gauge is more accurate compare to a vernier calliper.Berikan satu sebab mengapa tolok skru mikrometer adalah alat yang lebih jitu berbanding dengan

angkup vernier.

...................................................[1mark]

P

DIAGRAM 1

RAJAH 1

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4

2 Diagram 2 shows a boy throwing a ball upwards at a velocity of 10 m s-1. The ball decelerates to amaximum height before accelerating downwards.

Rajah 2 menunjukkan seorang budak lelaki melontar bola ke atas dengan kelajuan 10 m s-1

. Bola itubergerak dengan nyahpecutan sehingga mencapai tinggi maksimum sebelum memecut turun.

DIAGRAM 2RAJAH 2

(a) Name one force that is acting on the ball.Namakan daya yang bertindak pada bola itu.

.[1 mark]

(b) Using the equation: v2 = u2 + 2 as , calculate the maximum height reach by the ball.Menggunakan persamaan: v2 = u2 + 2 as, hitung tinggi maksimum yang dicapai oleh bola.

[2 marks]

(c) Sketch a displacement,s against time,t graph to describe the motion of the ball.Lakarkan graf sesaran,s, lawan masa,t, bagi menerangkan pergerakan bola.

[2 marks]

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3 Diagram 3 shows an arrangement of apparatus used to determine the atmospheric pressure in a laboratory.The length of the glass tube is 100 cm and the atmospheric pressure in the lab is 75 cm Hg.

Rajah 3 menunjukkan satu susunan radas digunakan untuk menentukan tekanan atmosfera di dalammakmal. Panjang tiub kaca adalah 100 cm dan tekanan atmosfera di dalam makmal adalah 75 cm Hg.

d

(a ) Name the apparatus shown in Diagram 3.Namakan radas yang ditunjukkan pada Rajah 3.

.[ 1 mark ]

(b ) What is in space X?Apakah yang terdapat dalam ruang X?

[ 1 mark ]

(c ) (i) What is the value of H?Apakah nilai H?

.[ 1 mark ]

(ii) What happens to height, H, when this apparatus is submerged in water.Apakah yang berlaku kepada ketinggian, H, apabila radas ini ditenggelamkan ke dalam air.

..[ 1 mark ]

(iii) Give a reason for your answer in c(ii).Berikan satu sebab kepada jawapan anda di c (ii).

..[ 1 mark ]

(d) State one application of atmospheric pressure in everyday life.Nyatakan satu aplikasi tekanan atmosfera dalam kehidupan harian.

..[1 mark]

DIAGRAM 3

RAJAH 3

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6

4 Diagram 4 shows a truck pulling a car with a cable. The cable is at an angle of 600 to the horizontal.The force, F, of the cable is 1500 N.

Rajah 4 menunjukkan sebuah trak sedang menunda sebuah kereta dengan menggunakan kabel. Kabel ituadalah pada sudut 600 dari ufuk. Daya, F, pada kabel adalah 1500 N.

DIAGRAM 4RAJAH 4

(a) What is meant by force?Apakah yang dimaksudkan dengan daya?

..............................

..[1 mark]

(b) On Diagram 4, draw the horizontal component, Fxand the vertical component Fyfor F.In your drawing show the direction of Fx and Fy.

Dalam Rajah 4, lukiskan komponen ufuk, Fx, dan komponen tegak, Fy untuk F. Dalam lukisan

anda tunjukkan arah Fx dan Fy.[2 marks]

(c) Calculate the magnitude of the horizontal component, Fx.Hitung magnitud komponen ufuk Fx.

[2 marks](d) What is the effect of the component of forces, Fx and Fy to the towed car?

Apakah kesan komponen daya, Fx dan Fykepada kereta yang ditunda itu?

(i) Fx :..

(ii) Fy:[2 marks]

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7

5 Diagram 5.1 and Diagram 5.2 show the hair shampoo is pressed out with the same force from a shampoocontainer.

Rajah 5.1 dan 5.2 menunjukkan syampu rambut ditekan keluar dengan daya yang sama dari bekassyampu

( a ) What is meant bypressure?Apakah yang dimaksudkan dengan tekanan?

.[ 1 mark ]

( b ) Based on Diagram 5.1 and Diagram 5.2, compareBerdasarkan Rajah 5.1 dan 5.2, bandingkan

( i ) the volume of shampoo in the containerisipadu syampu dalam bekas

[1 mark ]

( ii ) the volume of shampoo that spurts out from the containerisipadu syampu yang dipancut keluar dari bekas.

..[1 mark]

(c) Based on your answer in (b),

Berdasarkan jawapan anda dalam (b),

(i) relate the volume of shampoo in the container with the volume of shampoo that spurts outfrom the container.hubungkaitkan isipadu syampu dalam bekas dengan isipadu syampu yang dipancut

keluar dari bekas.

..[1 mark]

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8

(ii) relate the volume of shampoo that spurts out from the container with the pressureexerted by the shampoo.hubungkaitkan isipadu syampu yang dipancut keluar dari bekas dengan tekanan yangdikenakan oleh syampu.

..

[1 mark]

(iii) state the relationship between pressure and the volume of shampoo in the container.nyatakan hubungan di antara tekanan dan isipadu syampu di dalam bekas.

..[1 mark ]

( d ) State one characteristic of the liquidNyatakan satu ciri cecair itu

[1 mark ]

( e ) Name the principle involved that enable the shampoo to spurt out from the container.Namakan prinsip yang terlibat yang membolehkan syampu dikeluarkan dari dalam bekas.

[1 mark]

6 Diagram 6.1 and 6.2 show a virtual image produced by a plane mirror and a convex mirror respectively.Rajah 12(a) dan rajah 12(b) menunjukkan imej maya yang terbentuk pada cermin satah dan cermin

cembung masing-masing.

(a) What is meant by virtual image?Apakah yang dimaksudkan dengan imej maya?

......................................................................................................................................... ........................[1mark]

DIAGRAM 6.1RAJAH 6.1


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(b) Based on Diagram 6.1 and Diagram 6.2,Berdasarkan Rajah 6.1 dan Rajah 6.2,

(i) compare the size of the imagebandingkan saiz imej

...........................................................................................................................................................[1 mark]

(ii) state one other similarity of the image formed besides virtual.nyatakan satu ciri imej yang sepunya yang lain daripada imej maya.

...........................................................................................................................................................[1 mark]

(c) In Diagram 6.3, draw a ray diagram to show how the image in Diagram 6.2 is formed.Dalam Rajah 6.3, lukiskan rajah sinar untuk menunjukkan bagaimana imej dalam Rajah 6.2

terbentuk.

[3 marks]


(e) Name the light phenomenon that occurs.Namakan fenomena cahaya yang berlaku.

............................................................................................................................................................[1mark]

(f) State one advantage of using convex mirror as the side mirror of a car.

Nyatakan satu kelebihan menggunakan cermin cembung sebagai cermin sisi kereta.

................................................[1mark]

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7 Diagram 7 shows a hydrometer used to determine the density of a liquid.Rajah 7 menunjukkan sebuah hidrometer yang digunakan untuk menentukan ketumpatan suatu cecair

Diagram 7

Rajah 7

(a) (i) Name the physics principle involved .Namakan prinsip fizik yang terlibat.

..[ 1 mark]

(ii) Explain why the hydrometer floats on the surface of the liquid.Terangkan mengapa hidrometer terapung di atas permukaan cecair itu.

.[ 1 marks]

(iii) The volume of the hydrometer under the surface of the liquid is 25 cm3. The density of liquid

measured is 0.8 g cm-3

. Calculate the buoyant force exerted to the hydrometer.Isipadu hidrometer di bawah permukaan cecair adalah 25 cm3. Ketumpatan cecair yang diukur

ialah 0.8 g cm-3. Hitungkan daya tujah keatas yang bertindak ke atas hidrometer itu.

[ 2 marks]

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(b) The hydrometer in Diagram 7 is unsuitable to measure the density of an acid solution which hassmaller density.

Hidrometer dalam Rajah 7 tidak sesuai untuk mengukur ketumpatan larutan asid yang mempunyaiketumpatan yang lebih rendah.

(i) Statetwo modifications required to the hydrometer so that it can be used to measure the density

of the acid solution.Nyatakan dua pengubahsuaian yang diperlukan kepada hidrometer itu supaya ia boleh menyukat

ketumpatan larutan asid itu.

......

. ....[ 2marks]

(ii) Give the reasons for your answer in b(i)Berikan sebab bagi jawapan anda dalam (b) (i).

.

.

.[ 2 marks]

(iii) Suggestone method to increase the stability of the hydrometer.Cadangkan satu kaedah untuk meningkatkan kestabilan hidrometer tersebut.

[ 1 mark]

(c) What happens to the hydrometer in Diagram 7 when it is placed in a higher density liquid?Apakah yang berlaku kepada hidrometer dalam Rajah 7 apabila ia diletakkan dalam cecair yang

berketumpatan lebih tinggi?.

.

.[ 1 mark ]

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8 Diagram 8.1 and Diagram 8.2 show a block of iron and a block of aluminium, each of mass 250 g, areheated by an immersion heater. The power of the immersion heater is 50 W.

Rajah 8.1 dan Rajah 8.2 menunjukkan sebuah blok besi dan sebuah blok aluminium setiap satu berjisim250 g dipanaskan dengan pemanas rendam. Kuasa pemanas rendam itu adalah 50 W.

The temperature-time graph for the two experiments are shown in diagram 8.3 .Graf suhu-masa bagi kedua-dua eksperimen ditunjukkan dalam Rajah 8.3.

(a) What is meant by heat?

Apakah yang dimaksudkan dengan haba?

[1 mark]

(b) Based on Diagram 8.3, calculate the change in temperature per minute for;Berdasarkan Rajah 8.3, hitung perubahan suhu per minit untuk

(i) IronBesi

[2 marks]

DIAGRAM 8.1 DIAGRAM 8.2

DIAGRAM 8.3

[Lihat sebelah

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(ii) AluminiumAluminium

[2 marks]

(c) Based on your calculation, which metal gets hot faster? Explain your answer.Berdasarkan kepada kiraan anda, logam yang manakah lebih cepat panas? Terangkan jawapan

anda.

..

..[2 marks]

(d) Determine the specific heat capacity for iron and aluminium.

Tentukan muatan haba tentu besi dan aluminium.

[3 marks]

(e) Table 8 shows the specific heat capacity of materials which could be used to make a frying pan.Jadual 8 menunjukkan muatan haba tentu bahan yang boleh digunakan untuk membuat kuali.

MaterialBahan

Specific heat capacity/ J kg-1 oC-1

Muatan haba tentu

A 780

B 1528

C 1415

TABLE 8Based on your answer in (c) and (d) , which material would be suitable to make a frying pan?

Explain your answer.Berdasarkan kepada jawapan anda di (c) dan (d), bahan yang manakah sesuai untuk dibuat kuali?

.

.[2 marks]

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Section B

[ 20 marks ]

Answer any one question

9 (a) Diagram 9.1 and Diagram 9.2 show two springs M and N. Both springs are of the samematerial and same wire thickness but have different spring constant.

Rajah 9.1 dan Rajah 9.2 menunjukkan dua spring M dan N. Kedua-dua spring adalah dari bahan

yang sama dan ketebalan yang sama tetapi mempunyaipemalar springyang berlainan

(i) What is meant byspring constant?Apakah yang dimaksudkan denganpemalar spring?

[1 mark]

(ii) Using Diagram 9.1 and Diagram 9.2, compare the mass loaded by the spring, the diameter of thespring and the extension of the spring.

Relate the mass loaded by the spring, the diameter of the spring and the extension of the spring

with the spring constant.Menggunakan Rajah 9.1 dan Rajah 9.2, bandingkan jisim yang dibeban oleh spring, diameterspring dan pemanjangan spring.

Hubungkaitkan jisim yang dibeban oleh spring, diameter spring dan pemanjangan spring dengan

pemalar spring.

[5 marks]

DIAGRAM 9.1 DIAGRAM 9.2

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(b) The springs in Diagram 9.1 and 9.2 will return to its original length when the load is removed.Explain how the forces between molecules cause the elasticity.Spring dalam Rajah 9.1 dan 9.2 akan kembali kepada panjang asal apabila beban dikeluarkan.

Terangkan bagaimana daya-daya antara molekul menyebabkan kekenyalan.[ 4marks]


(c) Diagram 9.3 shows a spring of the suspension system in an ordinary motorcycle.Rajah 9.3 menunjukkan suatu spring yang terdapat dalam sistem suspensi pada sebuah motosikal

biasa.

(i) State two functions of the spring in the suspension system ?Nyatakan dua fungsi spring dalam sistem suspensi itu?

[2marks]

(ii) Using the suitable physics concepts, you are required to give some suggestions on

designing a racing motorcycle of 500cc. Explain your suggestions based on thefollowing aspects ;Menggunakan prinsip fizik yang sesuai, anda dikehendaki memberi beberapa cadangan untuk

merekabentuk sebuah motosikal lumba 500 cc. Terangkan cadangan anda berdasarkan aspek-

aspek berikut:

- density of motorcycle partsketumpatan bahagian motosikal

- engine powerkuasa enjin

- spring in suspension systemspring dalam sistem suspensi

- size of tyresaiz tayar

[ 8marks]

spring in suspension

system

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10 Diagram 10.1 and Diagram 10.2 show two methods of transfering a heavy load of 50 kg from the groundto the lorry. The forces needed to transfer the heavy load are not the same. However, the work done for

both methods of transfering are the same.Rajah 10.1 dan Rajah 10.2 menunjukkan dua kaedah untuk memindahkan beban yang berat berjisim 50 kg

dari tanah ke atas lori. Daya yang diperlukan untuk memindahkan beban yang berat itu berbeza.

Walaubagaimanapun, kerja yang dilakukan bagi kedua-dua kaedah pemindahan adalah sama.

(a) What is meant by work?Apakah yang dimaksudkan dengan kerja?

[1 mark]

(b) Using diagram 10.1 and 10.2, compare the forces needed to transfer the load, the distance travelled bythe load and the potential energy gained by the load.Relate the forces needed to transfer the load and the distance travelled by the load with the workdone.

State the relationship between the potential energy gained by the load and the work done ontransfering the load.

Menggunakan Rajah 10.1 dan 10.2, bandingkan daya yang diperlukan untuk memindahkan beban,

jarak yang dilalui beban dan tenaga keupayaan yang diperolehi beban.

Hubungkaitkan daya yang diperlukan untuk memindahkan beban dan jarak yang dilalui dengan kerja

yang dilakukan.

Nyatakan hubungan di antara tenaga keupayaan yang diperolehi dan kerja yang dilakukan untuk

memindahkan beban.

[ 5 marks]

(c) In a wall climbing competition, Ali of mass 45 kg reached the peak earlier than Chong of mass 60 kg.

Even though Ali won the competition, Ali is said to have the same power as Chong.Explain the reason why.

Dalam pertandingan wall climbing, Ali yang berjisim 45 kg sampai ke puncak lebih dahulu dari

Chong yang berjisim 60 kg. Sungguhpun Ali memenangi pertandingan itu, Ali dikatakan mempunyai

kuasa yang sama dengan Chong. Terangkan sebab mengapa.

[4 marks]

DIAGRAM 10.1RAJAH 10.1 DIAGRAM 10.2RAJAH 10.2

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(d) Diagram 10.3 shows an athlete of mass 60 kg in a Pole Vaulting event. J, K,N,O and P are thepositions of the athlete. The height of the bar from ground is 5 m.Rajah 10.3 menunjukkan seorang atlit yang berjisim 60 kg dalam acara Lompat Bergalah. J,K,N,O dan P adalah kedudukan atlit. Tinggi palang dari tanah adalah 5 m.

Using the suitable physics concepts, suggest modifications that can be made to the athletes

techniques and equipments so that the athlete can jump higher and land safely.Modifications can be emphasised on the following aspects;

Menggunakan prinsip fizik yang sesuai, terangkan pengubahsuaian yang perlu dilakukan kepada

teknik athlit dan peralatan supaya athlit boleh melompat dengan lebih tinggi dan mendarat dengan

selamat. Pengubahsuaian boleh menekankan kepada aspek-aspek berikut:

- running techniqueteknik larian

- jumping techniqueteknik melompat

- characteristics of poleciri-ciri galah

- athletes attirepakaian athlit

- athletes safetykeselamatan athlit

[10 marks]

DIAGRAM 10.3

RAJAH 10.3

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Section C

[20 marks]

Answer any one question

11. Diagram 11.1 shows a metal block of mass 250 g is immersed in boiling water for a long time. The metalblock is then transferred to a beaker containing water until a thermal equilibrium is achieved. The initialtemperature of water in the beaker is 29 C and the mass of water is 500g.

Rajah 1.1 menunjukkan satu bongkah logam berjisim 0.25kg direndam di dalam air yang mendidih dalam

jangka masa yang lama. Bongkah logam itu dipindahkan ke dalam satu bikar berisi air sehingga

mencapaikeseimbangan terma. Suhu awal air di dalam bikar itu adalah29 C dan jisim air itu adalah

500g.

(a) (i) What is meant by thermal equilibrium?Apakah yang dimaksudkan dengankeseim bangan t erma?

[1 mark]

(ii) Explain how a liquid glass thermometer can be used to measure the body temperature of a sickperson. Explain heat transfer that takes place at each stage of measurement.Terangkan bagaimana termometer cecair dalam kaca digunakan untuk mengukur suhu badan

seorang yang sakit. Terangkan pemindahan tenaga yang berlaku dalam setiap peringkatpengukuran.

[4 marks]

(b) Based on Diagram 11.1 and the informations above , when the metal block is transferred andimmersed in the second beaker of water,

Berdasarkan Rajah 11.1 dan maklumat-maklumat di atas, apabila bongkah logam dipindahkan dan

direndam ke dalam bikar air yang kedua,

(i) state the initial temperature of the metal block.nyatakan suhu awal bongkah logam.

(ii) calculate the final temperature of the water.hitungkan suhu akhir air di dalam Rajah 11.1

(iii) state one assumption which you have made in (b) (ii)nyatakan satu anggapan yang telah anda buat dalam (b) (ii) .

[Specific heat capacity of water is 4200 J kg-1 C] [Specific heat capacity of the water is 900 J kg-1 C][Muatan haba tentu air adalah 4200 J kg-1 C] [Muatan haba tentu bongkah logam adalah 900 J kg-1 C]

[5 marks]


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(c) Diagram 11.2 shows parts of a car engine cooling system that uses liquid with a certain specific heatcapacity.

Rajah 11.2 menunjukkan sebahagian sistem penyejuk enjin kereta yang menggunakan cecair denganmuatan haba tentu yang tertentu.

Diagram 11.2Rajah 11.2

You are asked to investigate the features of car radiator and the cooling material as shown in the

Table 11 below.Explain the suitability of each feature in Table 11 and then determine the most suitable car engineradiator to be used. Give reason for your choice.

Anda ditugaskan untuk mengkaji ciri-ciri radiator kereta dan cecair penyejuk seperti yang

ditunjukkan dalam Jadual 11 dibawah.

Terangkan kesesuaian setiap ciri di dalam Jadual 11 di bawah dan seterusnya tentukan radiator

enjin kereta yang paling sesuai digunakan . Berikan sebab untuk pilihan anda.

CiriFeatures

Radiator

No. Of fin Blade

Bilangan sirip

penyejuk

Size of Fan

Saiz kipas

Boiling point ofliquid/C

Takat didih

cecair /C

Specific Heat Capacityof liquid/ J kg

-1C

Muatan Haba Tentu

cecair

/J kg-1 C

P ManyBanyak

SmallKecil

78 2450

Q A fewSedikit

SmallKecil

78 2450

R MediumSederhana

BigBesar

100 2450

S ManyBanyak

BigBesar

100 4200

T ManyBanyak

MediumSederhana

100 4200

TABLE 11[10 marks]

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12 Diagram 12.1 shows a patient is being fed with medicine from an intravenous injection ( IV ) bottle. Themedicine from the IV bottle is able to enter the patients vein due to the difference in pressure.

Rajah 12.1 menunjukkan seorang pesakit disalurkan ubat melalui botol suntikan intravenus ( IV ). Ubatdari botol IV boleh dialirkan kepada pesakit disebabkan oleh perbezaan tekanan.


(a) State one factor that affect the pressure in liquid.Nyatakan dua faktor yang mempengaruhi tekanan dalam cecair.

[1 mark](b) Explain how the medicine flows from the IV bottle into the patients vein.

Terangkan bagaimana ubat mengalir dari botol IV kepada vena pesakit.

[4 marks]

(c) Diagram 12.2 shows a water supply system. Water from a water storage tank is pumped to thewater tank of a house in a housing estate.

Rajah 12.2 menunjukkan sistem bekalan air. Air daripada tangki penyimpan air dipam ke tangki air

sebuah rumah dalam suatu kawasan perumahan.


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Table 12 shows the specifications of four water storage tanks, P, Q, R and S, that can be used to storewater in a housing estate.

Jadual 12 menunjukkan speksifikasi empat tangki penyimpan air, P, Q, R dan S, yang digunakanuntuk menyimpan air untuk sebuah rumah dalam suatu kawasan perumahan.

Water storagetankTangki

penyimpan air

P Q R S

Material usedBahan yang

digunakan

metallogam

concretekonkrit

concretekonkrit

metallogam

DensityKetumpatan

lowrendah

hightinggi

lowrendah

lowrendah

ShapeBentuk

Height from theground

Tinggi daripadabumi

low

rendah

high

tinggi

high

tinggi

low

rendah

TABLE 12JADUAL 12

You are required to determine the most suitable water storage tank. Study the specifications of

all the four water storage tanks based on the following aspects :Anda diminta untuk mengenal pasti tangki penyimpan air yang paling sesuai. Kaji spesifikasi

keempat-empat tangki penyimpan air itu berdasarkan aspek :

- The material usedBahan yang digunakan

- The density of the tankKetumpatan tangki

- The shape of the tankBentuk tangki

- The height of the tank from the groundKetinggian tangki daripada bumi

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Explain the suitability of the aspects.Terangkan kesesuaian aspek-aspek tersebut.

[10 marks]

( d ) Diagram 12.3 shows a manometer with arms of different cross section. Liquid Y of density1 200 kg m-3 is poured into the manometer. The level of liquid Y is found to be the same at

both arms of the manometer.Rajah 12.3 menunjukkan sebuah manometer dengan lengan yang berbeza keratan rentasnya.

Cecair Y dengan ketumpatan 1 200 kgm-3

diisi ke dalam manometer. Paras cecair Y didapati

sama pada kedua-dua lengan manometer.

i. Explain why the level of liquid Y in both arms of the manometer are equal.Terangkan mengapa paras cecair Y pada kedua-dua lengan manometer adalah sama.

[2 marks]

ii. Diagram 12.4 shows the condition of liquids when another immiscible liquid, X,is poured into the right arm of the manometer. Calculate the density of liquid X.

Rajah 12.4 menunjukkan keadaan cecair apabila sejenis cecair yang tak bercampur, X,

dituang ke dalam lengan kanan manometer tersebut. Hitung ketumpatan cecair X.

[3 marks]



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BAHAGIAN SEKOLAH BERASRAMA PENUHDAN SEKOLAH KLUSTER



FIZIK

Kertas 3

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Nama : .............................. Tingkatan :

4531/2FizikKertas 3OKTOBER20071 Jam

SULIT

Kegunaan Pemeriksa

Bahagian Soalan Markah

Penuh Markah

A 1 16

2 12

B 3 12

4 12

JUMLAH

1. Kertas soalan ini mengandungi dua bahagian :B a h a g i a n A dan B a h a g i an B .

2. Jawab semua soalan dalam B a h a g i a n A .Tuliskan jawapan bagi B a h a g i a n A dalamruang yang disediakan dalam kertas soalan.

3. Jawabsatu soalan daripadaB a h a g i a n B .Tuliskan jawapan B a h ag i an B pada ruanganyang disediakan.. Jawab B a h ag i a n B dengan

lebih terperinci.Jawapan mestilah jelas dan logik.

4. Tunjukkan kerja mengira, ini membantu andamendapat markah.

5 Gambarajah yang mengiringi soalan tidak dilukismengikut skala kecuali dinyatakan.

6. Markah yang diperuntukkan bagi setiap soalanatau ceraian soalan ditunjukkan dalam kurungan.

7 Anda dibenarkan menggunakan kalkulator saintifikyang tidak boleh di programkan

8 Masa yang dicadangkan untuk menjawabB a h a g i a n A ialah 60 minit dan B a h a g i a n B ialah 30 minit.

9 Serahkan semua kertas jawapan anda di akhirpeperiksaan

Kertas soalan ini mengandungi 11 halaman bercetak

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Section A

Bahagian A[28 marks}

[28 markah]

Answerall questions in this section.

Jawabsemuasoalan dalam bahagian ini.

1 A students carries out an experiment to investigate the relationship between volume ofair, V and the pressure, P. The arrangement of the apparatus is shown in Diagram 1.1.

Seorang murid menjalankan satu eksperimen untuk mengkaji hubungan antara isipaduudara dan tekanan. Susunan radas ditunjukkan pada Rajah 1.1.

Diagram 1.1

Rajah 1.1The piston is pushed slowly until the volume of air is 35 cm

3.The pressure of air, P is

recorded by using the Bourdon gauge. The actual reading of the Bourdon gauge isshown in diagram 1.2 on page 3.The above procedure is repeated by varying the volume of air 30 cm

3, 25 cm

3, 20 cm

3,

15 cm3

and 10 cm3.The actual corresponding reading of Bourdon gauge shown in

Diagram 1.3, 1.4, 1.5 and 1.6 on page 4Picagari ditekan secara perlahan sehingga isipadu udara 35 cm3.Tekanan udara,P

direkod dengan menggunakan Tolok Bourdon. Bacaan sebenar oleh Tolok Bourdonditunjukkan pada diagram 1.2 di halaman 3. Prosedur di bawah diulangi bagi isipaduudara30 cm

3, 25 cm

3, 20 cm

3, 15 cm

3and 10 cm

3.Bacaan sebenar yang sepadan

dengan bacaan oleh Tolok Bourdon ditunjukkan pada Rajah1.3, 1.4, 1.5 dan 1.6dihalaman4.(a) For the experiment on page 3 and 4, identify:

Bagi eksperimen di halaman 3 dan 4 kenal pasti:

(i) The manipulated variable

Pembolehubah dimanipulasi

..

[1 mark][1markah](ii) The responding variable

Pembolehubah gerak balas

[1 mark]

[1markah](iii) The constant variable

Pembolehubah dimalarkan

.....

[1 mark]

[1markah]

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P=.

Volume of air = 35 cm3

Diagram 1.2

P =..


Diagram 1.3

P =..


Diagram 1.4

P =


Diagram 1.5

P=.


Diagram 1.6

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(b) Based on Diagram 1.2, 1.3, 1.4, 1.5 and 1.6 on page 3

BerdasarkanRajah 1.2, 1.3, 1.4, 1.5 dan 1.6di halaman 3

(i) Record the Bourdon gauge reading, in the spaces provided on page 3.

Catatkan bacaan Tolok Bourdon dalam ruang yang disediakan di halaman.

[ 2 marks]

[ 2markah]

(ii)Tabulate your results for V, and P in space below.

Jadualkan keputusan anda bagi V, danP pada ruang di bawah

[5 marks]

[5markah]

(c) On the graph paper on page 5 , plot graph of P against .

Pada kertas graf di halaman 5, lukiskan graf Pmelawan .

[5 marks]

[5markah]

(d) Based on your graph in 1 (c) , state the relationship between P and

Berdasarkan graf anda di 1(c),nyatakan hubungan antara graf P

melawan .

...

[1 mark]

[1markah]

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againstGraph P

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2 A student carries out an experiment to investigate the relationship between the force, F

and time, t for a trolley move a distance of 1m. The result of this experiment is shown

in the graph of F against in diagram 2.1 on page 7.

Seorang murid menjalankan satu eksperimen untuk mengkaji hubungan daya,Fdengan masa,t bagi satu troli yang bergerak dengan jarak 1m. Keputusan bagi

eksperimen ini ditunjukkan oleh graf Fmelawan pada Rajah 2.1 dihalaman 7.

(a) Based on the graph in Diagram 2.1,

Berdasarkan graf pada Rajah2.1

(i)What happen to F as increases?

Apakah yang berlaku padaF apabila bertambah?

........

[1 mark]

[1markah]

(ii) Determine the value of F when = 0.

Show on the graph, how do you determine the value of F.

Tentukan nilai Fapabila = 0

Tunjukkan pada graf ,bagaimana anda menentukan nilai F.

[2 marks][2markah]

(iii) Determine the value of t when F = 1.8 N.

Tentukan nilai bagi tapabila F = 1.8 N.

[2 marks]

[2markah]

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Graph of F against

/

F / N

0.10 0.20 0.30 0.40 0.500

0.40

0.80

1.20

1.60

2.00

2.40

Diagram 2.1

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formula m = .(b) The mass of trolley, m is given by the

Jisim bagi troli,m diberi dengan formula m= .

(i) Calculate the gradient of the graph F against . Show on the graph how

you determine the gradient.

Hitungkan kecerunan bagi graf Fmelawan . Tunjukkan pada graf

bagaimana anda menentukan kecerunan.

[3 marks]

[3markah]

(ii) By using formula m = and the value obtained in b(i) calculate the

mass of trolley.

Dengan menggunakan formula m = dan nilai yang di perolehi dalam

b(i) ,hitungkan jisim bagi troli.

[2 marks][2markah]

(c) Stateone precaution that should be taken to improve the results of the experiment.

Tentukansatulangkah berjaga-jaga yang perlu diambil untuk meningkatkankeputusan dalam eksperimen.

..[1 mark][1markah]

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Section B

Bahagian B

[ 12 marks ][12 markah]

Answer anyone question.

Jawab mana-manasatusoalan dalam bahagian ini.

The time suggested to answer this section is 30 minutes.Masa yang dicadangkan untuk menjawab bahagian ini ialah 30 minit.

3 Diagram 3 shows two different situations of a skier by wearing ordinary shoes and then

wearing snow hoes. The mass of ordinary shoes and the snow shoes are the same

Rajah 3 menunjukkan dua situasi bagi seorang peluncur salji dengan memakai kasutbiasa dan kemudiannya memakai kasut salji. Jisim kasut biasa dan kasut salji adalahsama.

Diagram 3

Rajah 3

Based on your observations on the depth of sinking of the skier in the snow by wearing

ordinary shoes and by wearing snow shoes.Berdasarkan pemerhatian anda tentang kedalaman tenggelam peluncur salji itu didalam salji dengan memakai kasut biasa dan dengan memakai kasut salji.

(a) Stateone suitable inferenceBuat satuinferens yang sesuai [1 mark]

[1markah]

(b) Stateone appropriate hypothesis that could be investigated.Nyatakansatuhipotesis yang sesuai dan boleh disiasat [1 mark]

[1markah](c) With the use of apparatus such as a one kg load,plasticine,vernier caliper,

different area of wooden block and other apparatus,describe an experiment to

investigate the hypothesis stated in 3(b).

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Dengan menggunakan radas seperti 1kg pemberat, plastisin, angkup vernier danradas lain ,terangkan satu eksperimen untuk menyiasat hipotesis yang dnyatakandi 3(b)

In your description,state clearly the following :

Dalam penerangan anda, jelaskan perkara berikut :

(i) The aim of the experimentTujuan eksperimen

(ii) The variables in the experimentPembolehubah yang terlibat dalam eksperimen itu

(iii) The list of apparatus and materials

Senarai radas dan bahan

(iv) The arrangement of the apparatus

Susunan radas

(v) The procedure of the experimentDescribe how to control measure the manipulated variables and how tomeasure the responding variables.Prosedur yang digunakan dalam eksperimen.Terangkan bagaimana mengawal dan mengukur pembolehubah dimanipulasi,dan bagaimana mengukur pemboleh ubah bergerak balas.

(vi) The way to tabulate the dataCara unyuk menjadualkan data

(vii) The way to analyse the dataCara untuk menganalisis data[10 marks]

[10markah]

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11

4 A boy pushes the boxes along a level walkway as shown in Diagram 4.1. The

boy experiences that the boxes move slowly. When the boy removes one of the

boxes as shown in Diagram 4.2, he experiences that the boxes move faster than

before although the same force was applied.

Seorang budak lelaki menolak beberapa buah kotak di sepanjang satu laluan seperti

yang ditunjukkan dalam Rajah 3.1. Budak lelaki itu mendapati kotak-kotak bergeraksangat perlahan. Apabila budak lelaki itu mengeluarkan satu daripada kotak-kotak

itu seperti ditunjukkan dalam Rajah 3.2, dia mendapati kotak-kotak itu bolehdigerakkan lebih laju, walaupun daya yang sama dikenakan..

Diagram 4.1 Diagram 4.2

Rajah 4.1 Rajah 4.2

Based on the information and obsevation above :Berdasarkan maklumat dan pemerhatian di atas:

(a) Stateone suitable inference.

Nyatakansatu

inferens yang sesuai. [ 1 mark ]

(b) Stateone suitable hypotesis.Nyatakansatuhipotesis yang sesuai.

[ 1 mark ]

(c) With the use of apparatus such as a trolley, ticker timer, ticker tape, elastic cord

and other apparatus, describe an experiment framework to investigate thehypothesis stated in 4(b).

In your description, state slearly the following :

Dengan menggunakan radas seperti troli, jangkamasa detik, pita detik, talikenyal dan lain-lain radas, terangkan satu rangka kerja ekperimen untukmenyiasat hipotesis yang anda nyatakan dalam 3(b)

Dalam penerangan anda jelaskan perkara berikut :

(i) The aim of the experimentTujuan eksperimen

(ii) The variables in the experiment

Pembolehubah yang terlibat dalam eksperimen itu

(iii) The list of apparatus and materialsSenarai radas dan bahan

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12

(iv) The arrangement of the apparatusSusunan radas

(v) The procedure of the experiment.Describe how to control the manipulated variables and how to measure theresponding variables.Prosedur yang digunakan dalam eksperimen.

Terangkan bagaimana mengawal pembolehubah dimanipulasi,dan bagaimana mengukur pemboleh ubah bergerak balas.

(vi) The way to tabulate the dataCara untuk menjadualkan data

(vii) The way to analyse the dataCara untuk menganalisis data

[10marks]

[ 10markah]

END OF QUESTION PAPER

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BAHAGIAN SEKOLAH


PEPERIKSAAN AKHIR TAHUN (DIAGNOSTIK) SBP

TINGKATAN 4 2008

FIZIK

PERATURAN PERMARKAHAN

KERTAS 1, 2 dan 3

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MARKING SCHEME PAPER 1 (PHYSICS)

1 D 11 C 21 A 31 A 41 B

2 A 12 B 22 C 32 D 42 C3 B 13 A 23 C 33 D 43 C

4 A 14 A 24 B 34 D 44 D

5 C 15 B 25 D 35 B 45 C

6 C 16 D 26 C 36 A 46 A

7 B 17 C 27 A 37 D 47 D

8 D 18 A 28 A 38 B 48 B

9 A 19 D 29 C 39 A 49 D10 C 20 C 30 B 40 B 50 B

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MARKING SCHEME PAPER 2 PHYSICS

DIAGNOSTIC F 4 EXAM SBP 2008

Question

Number

Mark scheme Mark

1 (a) (i) Rachet 1

(ii) To ensure the pressure exerted does not exceed // undue pressure isnot exerted

1

(b) 0.02 1

(c) The scale is smaller 1

Total 4

2. (a) Gravitational force 1

(b) V = u + 2as

0 = 102

+ 2 (-10) s

S = 5m1

1

(c)

2

Total 5

3. (a) Barometer 1

(b) Vacuum 1

(c) (i) 75 cm 1

(ii) increase 1

(iii) The pressure outside glass tube increases // pressure of water +

atmospheric pressure

1

(d) Vacuum cleaner// syphon // straw // syringe // water pump 1

Total 6

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4. (a) Anything that can move a stationary object // stop a moving object //change direction / shape / speed of an object.

1

(b)

2

(c) Fx = 1500 x cos 60= 750 N

11

(d) (i) Fx : to make car move forward // overcome frictional force 1

(ii) Fy: to lift the car off the ground // to move the car upwards// to

overcome the weight of the car

1

Total 7

5. (a) Normal Force / surface area // Normal force per unit area 1

(b) (i) Diagram 5.2 is bigger / greater // vice versa 1

(ii) Diagram 5.2 is bigger / greater// vice versa 1

(c) (i) When the volume of shampoo in the container is less, the volume ofshampoo spurted out from the container is less // vice versa

1

(ii) When the volume of shampoo spurted out from the container is big,the pressure exerted towards the shampoo is big // vice versa

1

(iii) When the volume of the shampoo in the container increase the

pressure also increases.

1

(d) Liquid used is non compressible / hard to compress 1(e) Pascals principle 1

Total 8

6. (a) Image that cannot be formed on screen 1

(b) (i) Image in Diagram 6.1 is bigger// vice versa 1

(ii) upright 1

(c)

3

(d) Reflection 1

(e) Wide angle of reflection // wider the vision 1

Total 8

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7. (a) (i) Archimedess principle // Forces in equilibrium // Principle offlotation

1

(ii) -The buoyant force = weight of the hydrometer // density of liquid >

density of hydrometer // the volume of the liquid displaced by the

hydrometer is large

1

(iii) F = V g

= (8 x 102) x ( 25 x 10

- 6) x 10 //

= 0.2 N

11

(b) (i) - the plastic wall is replaced by a glass wall

- increase the volume of the air filled bulb // reduce the mass of lead

shot

1

1

(ii) - to avoid corrosion- to increase the buoyant force // to float the hydrometer

11

(iii) add more lead shot 1

(c) Less submerged //hydrometer floats higher 1

Total 10

8. (a) Energy transfer from higher temperature body to lower temperature //type of energy that flow 1

(b) (i) 802

= 40 C per minute

1

1

(ii) 100 -207

= 80

7

= 11.43 C per minute

1

1

(c) -Iron

-the rate of change of temperature is higher

1

1

(d)

C iron = 50 x 2 x 600.25 x 80

= 300 J kg-1 C-1

C Al = 50 x 8 x 600.25 x 80

= 1200 J kg-1 C-

1

1

1

(e) - A

- it has lowest specific heat capacity // easily to get hot

2

Total 12

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SECTION B

9. (a) (i) Ratio of force to the extension // F/x where F = Force and x =

extension)

1

(ii) - mass in Diagram 9.1 = mass in diagram 9.2

- Diameter in Diagram 9.1 < diameter in Diagram 9.2- Extension in Diagram 9.1 < extension in Diagram 9.2

- As the diameter increases the extension increases

- spring constant decreases

1

11

1

1

(b) - The forces between molecule are attractive and repulsive force

- When the spring is stretched attractive force between molecule acts

- When the spring is compress the repulsive force between moleculeacts

- When the force is released, the spring returns to its original

position due to the forces

1

1

1

1

(c) (i) - to absorb the shock

- to make the rider feel more comfortable // reduce vibration

1

1(ii)

Modification Explanation

Low density of motorcycle

parts

So that it is lighter

High engine power To produce high acceleration//

high resultant force

High spring constant // stiffer

spring

So that the spring is stiffer //

motorcycle bounce less // lessvibration

Wide tyre // smooth tyre To increase stability // to reduce

friction

8

Total 20

10. (a) Work = force x displacement 1

(b) - Force in diagram 10.1 > force in Diagram 10.2- Distance travelled in 10.1 < Distance in Diagram 10.2

- The Potential energy is the same

- When Force is higher the distance traveled is shorter

- Potential energy = Work done

11

1

1

1

(c) - Power = mght

- Power is directly proportional to mass

- Power is inversely proportional to time- Ratio of mass and time for both is equal // Chong has high mass,

Ali has shorter time , power is the same

1

1

11

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(d)

Modification Explanation

Run with higher speed To increase kinetic energy

Bend pole greater // jump when

the pole is maximum bend

Increase elastic potential energy

Elastic pole // strong material //low density

So that the pole can return to itoriginal shape // So that it will

not break // light

Wear fit attire Reduce air resistance

Use mattress increase time of collision //

reduce impulsive force

10

Total 20

11. (a) (i) Thermal equilibrium states that the net rate of heat flow from onemedium to another medium and vice versa is zero// temperature for

both medium is the same. 1

(ii) - Place the thermometer under the tongue

- Heat transfer from the body to the mercury- The temperature rises // length of mercury increases- When the equilibrium state is achieves take the reading of

thermometer.

1

111

(b) (i) 100 C 1

(ii) Heat supplied by metal block = heat gained by the water //m 1 c1 1 = m 2 c2 2

0.25 x 900 x (100 ) = 0.5 x 4200 (-29)

= 27.74 C

1

1

1

(iii) No heat loss to the surrounding 1

(c) Aspect ExplanationLarge numbers of fin blade

-

Increase surface area //

release heat quickly //

engine cools quickly

Big size of fan Can suck more air // more

air can be blow to theengine

High boiling point Not easily to vaporize // thevolume of liquid reduce

slowly // takes a longer time

to boil

High specific heat capacity Takes a longer time tobecome hot // the rise intemperature is slow

S is chosen Large numbers of fin

blade,big size of fan, high

boiling point, high specific

heat capacity 10

Total 20

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12. (a) Depth // density //g 1

(b) -Pressure increased with height-Pressure in IV bottle is greater than the patients vein

-Medicine flowing from IV bottle because height produced

difference in pressure// Medicine flow from higher pressure to lowerpressure

- gravitational pull // weight of liquid

11

1

1

(c) Choices Explanation

Made of concrete Stronger / Not easy to break

// metal can rust easily

low density lighter / the structure that hold

the tank able to withstand theweight of tank

thicker wall at the bottom //Diagram

able to withstand the higherpressure at the bottom

height from ground is high to produce a greater difference

in pressure

R is chosen Made of concrete, low density,

thicker wall at the bottom,height from ground is high

10

(d) (i) -Atmospheric pressure at both side is equal

-Pressure does not depends on size of arm

1

1

(ii) Patm + h1yg = P atm + h2 xg

( 10 x 10 -2

) ( 1 200 ) ( 10 ) = ( 16 x10 -2

) ( x ) ( 10 )

x = 750 kgm-3

1

1

1

Total 20

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PAPER 3

Question 1

Mark Section Answer

1 1

(a)(i) 1 State the manipulated variable correctlyVolume

1

(ii)1 State the responding variable correctly

Pressure

1

(iii)1 State the constant variable correctly

Temperature // mass

7 (b)(i)

(ii)

Record the reading in the space provide don page 31 All 5 values of P are correct2 the values of P are consistent.

Tabulate the results correctly

1 Quantities of V, and P shown in the table give one

2 State the units of Vcorrectly. give one 3 The values ofPis consistent toonedecimal

places,

placeis constant to 3 decimal place.give one

4& 5 All 5 values of / cm-3

correct- give two

If 3 /4 values are correct give one

If < 3 , 0

Volume,V, cm3

/ cm-3 Pressure,P/Pa

35 0.029 1.0 x 105

30 0.033 1.2 x 105

25 0.040 1.4 x 105

20 0.050 1.8 x 105

15 0.067 2.3 x 105

Full marks : 7

5 (c)(b) 5 Draw a complete graph ofPagainst

V

1

Tickbased on the following aspects;.

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1 Pon they axis andV

1on thex axis give

2 Both axes are marked with uiniform scaleAnd not odd scale ( 1,2, 4,5,10) give

3 All five points are plotted corectly (+/- 1 mm/ square

box) give ( Only three points plotted correcly , give )

4 Best fitted straight line is drawn give (berdasarkan keseimbangan bilangan titik di atas dan di bawah

garisan i.i sama banyak, /2:1 /3 :2. T . Titik paling jauh dari garisan

tidak lebih 0.5 cm)

Reject: curve line

5 Show the minimum size of graph at least 5(vertical) x 4(horizontal)square box (2 cm x 2 cm)

(Dikira dari asalan hingga titik akhir jika mula dari asalan.

Jika tidak mula dari 0 , tengok titik pertama dan terakhir)Beri

score :

Number of Score

7 5

5-6 4

3-4 3

2 2

1

1

Total maks :5 marks

1 (d)(c) 1 State the correct relationship between Pand

V

1

P inversely proportional to V

16 marks

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Question 2

Section Mark Answer

(a) (i)

(a) (ii)

(a) (iii)

(b)(i )

b ( ii )

(c)

1

1

1

1

1

1

1

1

1

1

1

State the change

increases

State the value of F

-shows graph extrapolation

0.4 N(reject without unit)

Show on the graph the corresponding value of 1.8N in the graph

, =0.35

35.012 t

t = 1.69 s

Calculate the gradient of the graph, h and state the value of

h with the acceptable range

-Draw a sufficiently large triangle to calculate the gradient of thegraph.-Correct substitution (follow candidates triangle)

10.050.0

80.040.22

Ft

-State value of the gradient with correct unit.

4.0 Ns2

Correct substitution to the formula

4

gradientm

4

4m

1.0 Ns2

State one precaution

Eyes is perpendicular to the scale of reading as to avoid parallaxerror // Do repeated readings and find the average value as toincrease the accuracy

1

2

3

3

2

1

Total 12

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Section B

QuestionSoalan

AnswerJawapan

MarksMarkah

3. (a)

(b)

(c) (i)

(ii)

(iii)

(iv)

(v)

State a suitable inference

The pressure exerted on the surface depends on the area of contact. 1

State a relevant hypothesisWhen the area decrease, the pressure increases 1

State the aim of experimentTo investigate the relationship between the area of contact and

pressure (depth of hole).

1

State the suitable manipulated variables and responding variable (Quantity

that can be measured)

Manipulated variable : Area of contact object.

Responding variable : pressure exerted (depth of hole)

1

State the constant variableForce applied (using 1 kg load) 1

State the complete list of apparatus and materialsVernier caliper, soft plasticine, ruler, Load 1 kg, the object with different surface

area but same weight.

1

Draw the functional arrangement of the apparatus

1

State the method to control the manipulated variable

Measure the bottom area of the wooden block with vernier caliper/ruler, A1 cm2.

Place the wooden block on the plasticine.Place the 1 kg load on the top of the wooden block.

1

State the method to measure the responding variableRemove the load and wooden block. Measure the depth of hole using verniercaliper and record it.

1

Repeat the experiment at least 4 times with the valuesProcedure 2 and Procedure 3 are repeated using A2,A3,A4,and A5(Note : Based on SPM standard , at least five manipulated values required.) 1

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State how the data tabulated with the title MV and RV

Area of contact/ cm2

Depth,x /mm

A1

A2

A3A4

A5

1

State how the data is analysed, plot a graph RV against MV

Depth,x/mm

Area of contact,A/ cm2

1

TOTAL 12

Question

Soalan

Answer

Jawapan

Marks

Markah

4. (a)

(b)

(c) (i)

(ii)

(iii)

(iv)

State a suitable inferenceAcceleration is influenced by the mass 1

State a relevant hypothesis

When the mass increased, the acceleration will be decreased. 1

State the aim of experimentTo investigate the relationship between the acceleration and the mass. 1

State the suitable manipulated variables and responding variable

(Quantity that can be measured)Manipulatd variable :mass

Responding variable: acceleration

1

State the constant variableForce applied 1

State the complete list of apparatus and materials5 Trolleys, ticker timer, ticker tape, a rubber band, a wooden runway, 12 V

a.c power supply, ruler.

1

Draw the functionalarrangement of the apparatus

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(v)

Trolley rubber band

TickerTimer

Ticker tape

Friction compensated runway

Power supply 1

State the method to control the manipulated variable

The apparatus is set up as shown in the diagram.

The ticker-timer is switched on anda trolley (of 1 kg) is pulled using a

rubber band. The extension of the rubber band is ensured to be of the samelength

1

State the method to measure the responding variableAcceleration of the trolley is calculated using the ticker-tape.

a = ( v-u ) / t 1

Repeat the experiment at least 4 times with the values

Procedure 2 and Procedure 3 are repeated using 2, 3, 4 and 5 trolleys.(Note : Based on SPM standard , at least five manipulated values required.) 1

State how the data tabulated with the title MV and RV

Mass / num. of trolley acceleration / cm s-

1

2

34

5

1

State how the data is analysed, plot a graph RV against MVacceleration / cm s

-2

Mass / num. of trolley

1

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