Transcript
Page 1: Fizik P1 SBP Mid Year SPM 2008

4531/1FizikKertas 1MEI20081 ¼ jam

SEKTOR SEKOLAH BERASRAMA PENUHBAHAGIAN SEKOLAH

KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERTENGAHAN TAHUN TINGKATAN 5 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 baru7. Satu senarai rumus disediakan di halaman 28. Penggunaan kalkulator saintifik yang tidak boleh diprogramkan adalah dibenarkan

Kertas soalan ini mengandungi 23 halaman bercetak

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The following information may be 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 = ½ mv2

7. Gravitational Potential Energy = mgh

8. Elastic Potential Energy =2

1Fx

9. ρ =V

m

10. Pressure in liquid, P = hg

11. Pressure, P=A

F

12. Heat, Q = mc

13. Heat, Q = mℓ

14.T

PV= constant

15. E = mc2

16. v = f

17. Power, P =Time

Energy

18.vuf

111

19. =D

ax

20. n =r

i

sin

sin

21. n = real depthapparent depth

22. Q = I t

23. V = IR

24. Power, P= IV

25. g = 10 ms-2

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Each question is followed by three, four or five options. Choose the best option foreach question then blacken the correct space on the answer sheet.

1. Which of the following is the most accurate equipment?

A. Ruler

B. Vernier callipers

C. Micrometer screw gauge

D.Measuring tape

2 Which of the following measurements of length is the longest

A 2520 cmB 0.252 kmC 0.252 GmD 0.00252 MmE 2520000 mm

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3 Diagram 3 shows the reading of a part of vernier callipers when measuring thethickness of a book.

Diagram 3

What is the thickness of the book?

A 0.51 cmB 0.41 cmC 0.91 cmD 1.01 cm

4. A student carries out an experiment to study the relationship between the lengthof a pendulum and a period of oscillation. Which of the following statements isnot true about the experiment?

A. The length of the string of the pendulum is the manipulated variableB. The responding variable is determined by a stopwatchC. The period of oscillation is the x-axis when plotting the graphD. The mass of the pendulum used must be the same

5.

Diagram 5

Based on the velocity–time graph above, calculate the total distance travelled.

A 6 mB 16 mC 24 mD 30 mE 46 m

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Time (s)

Velocity (v)

Time (s)

Velocity (v)

Time (s)

Velocity (v)

Time (s)

Velocity (v)

6. Which of the following graphs represents the correct relationship for velocity thatis directly proportional with time?

A.

D.

C.

B.

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7. Which of the following shows an object moving with decreasing acceleration ?

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8. The diagram shows a coin is placed on a cardboard covering the top of abeaker. When the card is quickly pulled horizontally , the coin falls into thebeaker.

Diagram 8

Which property of the coin makes this possible?

A DensityB InertiaC VolumeD Thickness

9.

Diagram 9

Diagram 9 shows two identical balls moving towards each other with velocities uand collides with a perfect elastic collision. Which of the following is true aftercollision?

Velocity of P Velocity of QA Zero ZeroB Less than u in direction of R Less than u in direction of SC More than u in direction of R More than u in direction of SD Equals to u in direction of R Equals to u in direction of S

Coin

Card

Beaker

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2 kg

0.1 m s-1

6 N

10. Which of the following objects acted on by a pair of forces will accelerate?

11. A box of mass 2 kg moves with a constant speed of 0.1 m s-1 when a force of 6 Nis applied.

Diagram 11

What is the frictional force acting on the box?

A 0 N C 3 NB 2 N D 6 N

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3600 N2000 N

12 The diagram shows a high-jumper falls on a thick mattress.

Diagram 13

The purpose of putting a mattress after the bar is to

A decrease the impulsive forceB decrease the stopping time of the high-jumper.C decrease the velocity of the high-jumper.D decrease the jumping time of the high-jumper.

13 A boy in a moving lift feels that his weight has become lighter. Which one of thefollowing statements is true ?

A The lift is accelerating upwardsB The lift is accelerating downwardsC The lift is deceleration downwards

14 A car of mass 800 kg is being driven along a level road. The engine supplies aforward force of 3600 N and the total resistive force is 2000 N.

Diagram 14

What is the acceleration of the car?

A 2.0 m s-2

B 2.5 m s-2

C 4.5 m s-2

D 7.0 m s-2

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15

Diagram 15

Diagram 15 shows a container with a hole. When it is filled with oil, the oil willflow out from the hole .If the same experiment is carried out on the Moon, whatwill happen to x?

A unchangedB increasedC decreased

16 A pendulum bob is hang on a string at a fixed point. It is displaced from position 1and then released. It oscillates several times with decreasing amplitude beforestopping at position 2.

Diagram 16

Where does the ball have the highest kinetic energy ?

A At position 1B The first time at position 2C The last time at position 2D At position 3

17 A dry battery can deliver 3000 J of energy to a small 2 W electric motor beforethe battery is exhausted. For how long does the motor run ?

A 1500 minutesB 100 minutesC 50 minutesD 25 minutes

1P

3R

21

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20 N

18 Table 18 shows the input and useful output energy of three motors.

Table 18

Which one is the most efficient?

A PB QC R

19 A spring of 10 cm length extends by 6 cm when a load of 30 N is attached to it.

Diagram 19

When two identical springs are used to carry a 20 N loads, as shown in Diagram19, what is the length of the spring system?

A 2 cmB 4 cmC 6 cmD 12 cmE 15 cm

20 The height of the mercury column of a simple mercury barometer will decrease if

A the glass tube is tiltedB the diameter of the glass tube is increasedC air is filled into the vacuum region above the mercuryD the barometer is taken to the bottom of a swimming pool

Input energy/ kJ Useful outputenergy /kJ

Motor P 80 20Motor Q 40 14Motor R 60 45

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21 Equal masses of oil are poured into four different containers as shown.

Diagram 21

In which container is the pressure exerted by the oil on the base of the containeris the least?

A WB XC YD Z

22 Diagram 22 shows the water levels in a water manometer used to measure thepressure of a gas supply.

Diagram 22

How much greater than the atmospheric pressure is the pressure of the gassupply?

A 2 cm waterB 5 cm waterC 10 cm waterD 12 cm water

W X Y Z

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23 The diagrams below show a simple barometer. Which diagram correctly showsthe measurement taken to determine the atmospheric pressure?

A

B

C

D

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hydraulic fluid

24 Diagram 24 shows a simple hydraulic jack. The cross-sectional area of thesmaller piston is 5 cm2 while the cross-sectional area of the bigger piston is25 cm2. When a force is applied to the smaller piston, it moves down a distanceof 6 cm.

Diagram 24

What is the distance moved by the larger piston?

A 0.4 cmB 0.8 cmC 1.2 cmD 1.6 cmE 2.0 cm

25 Diagram 25 shows an object floating on the surface of water. Which of thefollowing statements is true?

Diagram 25

A The density of the object is greater than the density of the water.B The volume of water displaced is equal to the volume of the object.C The weight of water displaced is equal to the weight of the object.D The mass of the object is equal to the buoyant force on the object.

force

force

object

water

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26 Diagram 26 shows a ping-pong ball that does not fall when the water flows .

Diagram 26

Which principle explains the diagram ?

A Pascal’s principleB Bernoulli’s principleC Archimedes’ principle

27 Which of the following statements loses the highest heat in cooling to 10°C?

A A kettle filled with water at 60°CB A glass filled with boiling waterC A swimming pool filled with water at 30°C.

28. Water is suitable to be used as a cooling agent because of its

A high heat capacityB high densityC high latent heatD high adhesive force between the molecules

29. The heat required to raise the temperature of 0.05 kg of a solid from 20oC to40oC is 2100 J. What is the specific heat capacity of the solid?

A 1400 J kg-1 oC-1

B 2100 J kg-1 oC-1

C 3200 J kg-1 oC-1

D 4200 J kg-1 oC-1

Filter funnel Water

Ping – pong ball

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30 The graph in figure below shows how the temperature of some wax changes as itcools from liquid to solid. Which section of the graph would the wax be a mixtureof solid and liquid?

Diagram 30

A PQB QRC RSD ST

31 What is the quantity which is constant in all the three gas laws?

A The number of gas moleculesB The distance between the gas moleculesC The total force per unit area of the wall of the containerD The average kinetic energy of the gas molecules

32 A gas inside a container at a temperature of 30oC has a pressure of 1.20 Pa.The container is heated at a constant volume until the temperature of the gasinside it is 55oC.What is the final pressure of the gas?

A 0.72 PaB 1.11 PaC 1.20 PaD 1.30 PaE 2.20 Pa

33 A concave mirror produces an image of the same size as the object. Where isthe position of the object?

A At the centre of curvature of the concave mirrorB Between the centre of curvature and the focal point of the concave mirrorC At the focal point of the concave mirrorD Between the focal point and the pole of the mirror

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34 When a light ray passes from glass to air, the ray bends away the normalbecause

A the frequency of light decreasesB the amplitude of light decreasesC the speed of light increases

35 Which of the following diagram does not undergo total internal reflection?

A

B

C

36 A coin is placed in a beaker. When the beaker is filled with a liquid to a height of13 cm, the coin is seen at the position of 3.0 cm from the bottom of the beaker.Determine the refractive index of the liquid.

A 1.30B 4.33C 0.23D 0.77

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37 A convex lens with a focal length of 15 cm is used to focus an object. The screenis adjusted until a sharp image is formed at 30 cm from the screen.What is the distance between the object and the screen?

A 10 cmB 15 cmC 30 cmD 45 cmE 60 cm

38 Which of the following ray diagrams produces virtual, upright and bigger than theobject image?

A

B

C

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39

Diagram 39

The diagram above shows the wavefronts produced in a ripple tank. What is thewavelength of the ripple?

A 4 cmB 8 cmC 10 cmD 15 cmE 20 cm

40 Consider the below diagram. Which one of the angles (A, B, C, or D) is the angleof reflection?

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41 Diagram 41 shows parallel water waves entering deep water from a shallowwater region.

Diagram 41

Which of the following correctly shows the resultant direction of the waves?

A C

B D

42 The diagram below shows a water waves travel from deep area to shallow area

in a ripple tank.

Diagram 42

What is the ratio of the wave speed in deep area to shallow area?

A 1:1 D 1:3

B 1:2 E 3:1

C 2:1

shallow water

deep water

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43 Symbol Observation

P

Q

R

Which of the observations above caused by the diffraction of waves?

A P onlyB Q onlyC P and QD Q and R

44 In a Young’s double slit experiment ,a monochromatic light used has a

wavelength of 7.0 x 10-5 cm. The light passes through the slit to form an

interference pattern. Diagram 44 shows a fringe pattern produced on the screen.

Diagram 44

If the separation of the double slit is 0.5 mm, how far is the screen from the

double slit?

A 1.5 mB 2.4 mC 3.0 mD 15.0 mE 30.0 m

2.1 cm

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45 An audio generator emits sound with a wavelength of 0.15 m. If the frequency

is 2000 Hz, what is the speed of the sound?

46 Which of the following is a common characteristic of visible light, ultraviolet rays,infrared rays, gamma rays and X-rays?

A. Influenced by magnetic field.B. Possess the same frequency.C. Possess the same wavelength.D. Possess the same velocity in vacuum.

47 All bulbs in the circuits below are identical. Which circuit has the smallest

effective resistance?

48 M, N, O and P are metal balls which behaves as follows :

M repels N;M attracts O andO repels P.

If P is positively charged,

A N must be positively chargedB N must be negatively chargedC N must be neutral

A 300 ms-1

B 320 ms-1

C 340 ms-1

D 360 ms-1

E 380 ms-1

A C

B D

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49 Which of the following graphs shows the correct relationship between thepotential difference, V and current, I for an ohmic conductor?

A. C

B D

50 Three similar light bulbs are connected to a constant-voltage d.c. supply asshown in Diagram 50. Each bulb operated at normal brightness and the ammeter(of negligible resistance) registers a steady current.

Diagram 50

The filament of one of the bulbs breaks. What happens to the ammeter readingand to the brightness of the remaining bulbs?

Ammeter reading Bulb brightnessA increases increasesB unchanged unchangedC decreases unchangedD decreases decreases

END OF QUESTION PAPER

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SEKTOR SEKOLAH BERASRAMA PENUHBAHAGIAN SEKOLAH

KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERTENGAHAN TAHUNTINGKATAN 5 2008

FIZIK

PERATURAN PERMARKAHAN

KERTAS 1

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MARKING SCHEME – PAPER 1 (PHYSICS)

1 C 11 D 21 A 31 A 41 C

2 C 12 A 22 C 32 D 42 C

3 B 13 B 23 B 33 A 43 B

4 D 14 A 24 C 34 C 44 C

5 E 15 C 25 C 35 A 45 A

6 C 16 B 26 B 36 A 46 D

7 A 17 D 27 C 37 E 47 A

8 B 18 C 28 A 38 A 48 B

9 D 19 D 29 B 39 A 49 D

10 D 20 C 30 B 40 C 50 C


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