guruthong.files.wordpress.com · ge/ombang melintang. [1 mark] (b) (i) complete the rays in diagram...

SULIT

Name: ••••••••••••••••••••······················••••••e•·••••••••••••••• .. ••••••••••••• Form: ........... .

JABA TAN PELAJARAN NEGERI TERENGGANU

PEPERIKSAAN PERCUBAAN SPM 2012

SIJIL PELAJARAN MALAYSIA 2012 PHYSICS Kertaa 2 Ogos2012

4531/2

1 • 2-Jam 2 Dua jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DffiERITAHU

Untuk Kegunaan Pemeriksa

1. Tuliskan nama dan tingkatan anda dalam ruang yang disediakan

2. Kertas SQalan ini adalah dalam dwibahasa

3. Calon dikehendak.i membaca maklumat pada halaman 3 0.

Bahagian

A

B

c

Soalan

1

2

3

4

5

6

7

8

9 10

11

12

Jumlah

Markah Penuh

4

5

6

7

8

8

10

12

20

20

20

20

Disediakan oleh: Dengan Kerjasama: Dibiayai o/eh:

Markah Diperoleh

AKRAM NEGERI TERENGGANU MPSM NEGF.Rl TERENGGANU KERAJAAN NEGERI TERENGGA.llfU

TERENGGANU NEGERI ANJUNG ILMU Dicetak oleh:

Percerakan Yaya.l'an Islam Terengganu Sdn. Bhd. Tel: 609-666 86111665218601 Fuks: 609-666 06JJ/0063

www. smkadg. com

Kertas soalan ini mengandungi 30 halaman bercetak

453In C Hak Cipta Jabatan Pelajaran Negcri Terengganu [Lihat sebelah Sl'LJT*

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SULIT 2

The following information may be useful. The symbols have their usual meaning. Maklumat berikut munglcin berfaedah. Simbol-simbol mempunyai makna yang biasa.

l.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

v-u a=--

t

1 2 s~ut+-at

2 v 2

= u1 + 2as

Momentum"" mv

F=ma

F=k:x

Gravitational potential energy = mgh

K. . 1 ) mettc energy = - mv

2

Elastic potential energy !.. Fx = !..kx2

2 2

m p=

v

F Pressure, P = -

A

13. Heat, Q = mce

14.

15.

16.

17.

18.

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pV -=constant T

v =fA-

P P energy

ower, = time

1 1 I -=-+-! u v

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

ax A.=

D

sini 1 n=-.-, n=--

smr sine

rea/depth n=--~::...._-

apparentdepth

Q=It

V=IR

Power I Kuasa, P = IV

v2 Power I Kuasa, P = -

R

Efficiency I Kecekapan

= IX. xlOO% IPVP

c = 3.0 x 108 m s·1

453112

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SCLIT 3 4531/2

SedionA BahagianA [60 marks)

Answer all questions in this section Jawab semua soalan dalam bahagian ini

1 Diagram 1 show a word which is seen through a lens.

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Rajah 1 menunjuldcan satu perkataan yang dilihat menerusi sebuah kant a.

(a) State the type of the lens used.

Diagram 1 Rajah 1

Nyatakan }en is lumta yang digunakan.

(b) Name the light phenomenon involved in the formation of the image by the lens.

[1 mark]

Namalcan fenomena cahaya yang terlibat da/am pembenrukan imej oleh kanta terse but.

[1 mark]

(c) The lens in Diagram 1 is replaced by another lens which has same thickness but larger in diameter. Kanta dalam Rajah 1 digantikan dengan kanta lain yang mempunyai lcetebalan yang sama tetapi diameter yang lebih besar.

(i) What will happen to the size of the image fonned.? Apakah terjadi lcepada saiz imej yang terbentuk?

(ii) Give one reason for your answer in (c)(i). Berikan satu sebab untuk jawapan anda dalam (c) (i).

[1 mark]

[1 mark]

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SULIT 4 4531/2

2 Diagram 2 shows a hot air balloon floating stationary in air. Two forces involved are weight and upthrust.

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Rajah 2 menunjukkan sebuah bel on udara panas terapung pegun di udara. Dua daya yang terlibat ada/ah berat dan tujah Ire atas.

Weight Berat

Upthrust Tujah lal atas

Diagram 2 Rajah 2

(a) What is the meaning of weight? Apakah yang dimaksudkan dengan be rat?

(b) Using the forces in Diagram 2 explain why the balloon floating stationary in air Menggunakan daya-daya da/am Rajah 2 terangkan mengapa belon terapung pegun di udara.

(c) The weight of the balloon is 2000 Nand the upthrust is 3200 N. Calculate the acceleration of the balloon. Berat be/on itu ialah 2000 N dan tujah ke alas ialah 3200 N. Hitungkan pecutan be/on itu.

[l mark]

[2 marks]

[2 marh']



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SULIT 5 4531/2

3 Diagram 3 shows a cross section of water waves in a ripple tank. Rajah 3 menunjukkan keratan rentas ge/ombang air dalam sehuah tangki riak.

-l53112

Light rays from lamp Sinar ca~fJ~;u dari klmpu

--- ..... -... _-::::::::::Base of ripple tank

._-~-------------------- --------------- --------------- _-:-:::::::::_::_::_:::!?!'_sar tanglct rlalc ' - .... -· - -· . ... ~ ~ ~-~-- . ..

Diagram 3 Rajah3

(a) Mark with (.J) the correct answer in the box below. Tanda dengan (v) jawapan yang betu/ di dalam kotak di bawah.

Type of water wave is a Jenis gelombang air adalah suatu II longitudinal wave. L____1 gelombang membujur.

D transverse wave. ge/ombang melintang.

[1 mark]

(b) (i) Complete the rays in Diagram 3 to show how the light rays pass through the water waves to fonn bright and dark bands on the white screen. Lengkaplcan sinar-sinar dalam Rajah 3 untuk memmjukkan bagaimana sinar-sinar cahaya itu mela/ui gelombang air untuk membentuk jalur-jalur cerah dan gelap di atas skrin putih.

[2 markf]

(ii) Mark on the white screen in Diagram 3 to show the wavelength of the water wave. Label the wavelength using the symbol A.. Tanda pada skrin putih dalam Rajah 3 untuk menunjulck.an panjang gelombang bagi gelombang air itu. Labe/kan panjang gelombang itu menggunakan simbo/..1..

[1 mark]

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SULIT 6

(c) Explain how to measure the wavelength on the white screen accurately. Terangkan bagaimanalrah untuk mengukur panjang gelombang di atas skrin pulih itu dengan tepaJ.

[2 marks]

4 Diagram 4.1 shows a Geiger-Muller tube connected to a counter ratemeter to detect 13 particles emit by a radioisotope P. Riljah 4.1 menunjukkan sebuah Til.:b Geiger-Muller disambunglran kepada meter kadar untuk mengesan zarah-zarah /3 yang dikeluarkan oleh satu radioisotop P.

J· RadioisotorJ P

GMtube nubGM

Diagram 4.1 Rajah 4.1

(a) (i) State the natural properties of 13 particle? Nyatalcan sifat semulajadi zarah f3 ?

Ralemeter Metukadar

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[l mark]

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(ii) Explain what happens to reading of the ratemeter when the radioisotope Pis removed? Terangkan apakah yang terjadi kepada bacaan meter kadar apabila radioisotop P dialihkan?

[2 marks]

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SlJLIT 7

(b) Diagram 4.2 shows a graph of radioactive activity against time for radioisotope P.

453In

Rajah 4.2 menU1ifuklr:an satu graf aktiviti melawan masa bagi radioisotop P.

t

0 2 .. 6 10 12 14

- t--

Time/Hour All.ua!Jom

(i) Detetmine the half life ofndioisotope P. Show on the graph how you detennine the half life. Tentukan separuh hayat radloisotop P. Trmjukkan pada graf bagaimana anda menentukan separuh hayat.

(ii) Calculate the percentage of the activity after 16 days. Hitungkan peratus alctiviti selepm 16 harL

[2 marh]

[2marh]



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SULIT 8 4531/2

S Diagram 5.l(a) and 5.2(a) show two trolleys of different masses are placed on surface of identical table before pulled by a slotted mass through a smooth identical pulley.

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The mass of the slotted weight which pulled both trolleys are same. Diagram 5 .1 (b) and S .2(b) shows the position of both trolleys after released simultaneously Rajah 5.1 (a) dan 5.1 (b) menunjulrJcan dua buah troli yang berlainan jisim herada di atas permukaan meja yang serupa sebelum ditarik o/eh pemberat melalui taka/ licin yang serupa. Jisim pemberat yang menarik kedua-dua troli adalah sama. Rajah S.l(b) dan 5.2(b) menunjukkan kedudulcan kedua-dua troli selepas dilepaskan serentak.

trolley troh

slotted weight ~mberat

trolley before release s~belum troh dl/epaslr.an

Diagram 5.l(a) Rajah 5.l(a)

trolley before release st~~lum lro/~ dtl•paskan

Diagram 5.2(a) Rajah 5.2(a)

slotted weight ~mbfrat

(a) What is the meaning of mass? Apakah yang dimaksudkan denganjisim?

trolley troh pulley

__ _JI!!!It~~ taka/

slotted weight pfmberat

trolley a few moment after released s~J.pas trolt dtlepaskan beberapa ketOca

Diagram S.l(b) Rajah 5./(b)

trolley trolt

slotted weight pemberal

trolley a few moment after released uwpas troh dtillpaslcan J>.b.rapa /((i/ika

Diagram 5.2(b) Rajah 5.2(b)

(I markJ



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SULIT

(b) Using Diagram 5.1 and Diagram 5.2 Menggunakan RJJ}ah 5.1 dan Rajah 5.2

(i) Compare Bandinglcan

the mass of the trolleys jisim lcedua-dua troll

9 4531/2

'+ t • f +. o • ~ o I I o I o 1 o o o o o o • o .. o 0 o o o I o 0 t t o + o I ~ • t o o • o o + o o o • o o • o + o • + o + o o o I oo o o • o • o • • • • • • " • • • o • • • • • • • • • + • + o • • • • o • o o o o o o o 0

[I mark]

distance travel by the trolleys jaralc yang dilalui o/eh lcedua-dua troli

t 4 0 + + 0 41 + 0 +++~ 0 000 0 O+ltO+tO I + 0 I 0 ~I 0 t I I 0 I., 0 • 0 0 0 0 + 0 • 0 • 0 + 0 0 +I + 0 0' 0 +I I • +I • o + o to 0 o f o 'o o • o • + I 0 0 o 0 0 0 t 0 0 0 I+ I + 0 0 I 0 o+ + I o o + o" I o

acceleration of the trolleys pecutan lcedua-dua troli

(ii} What causes the trolleys move? A.pako}r yang mmyebahlran lcedrm-dua troli bergerak?

(c) Based on your answer in (b), completes the following sentence: Berdasarlwn jawapaan anda di (b), lengkapkan ayat berikur:

The larger the ........................ , the smaller the ....................... , provided

the .................................. kept constant.

Semakm tinggi .......................... , semakin berkurang .......................... sekiranya

........................... adalah tetap.

(d) The mass of the slotted weight is 4 kg and the mass of trolley in Diagram 5.1 is 2.5 kg.

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Calculate the acceleration. Jisimpemberatadalah 4 kgdmrjisim troli dalam Rajah 5.1 adalah 2.5 kg. Hitunglran pecutan.

[1 mark]

[1 mark]

[1 mark]

[1 mark]

[2marb]



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SLLIT 10 453U2

6 Diagram 6.1 and Diagram 6.2 show a magnet bar is dropped from a certain height and moving into a coil.

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Rajah 6.1 dan Rajah 6.2 menun[ukkan satu maJ{!Iet bar difatuhkan dari satu ketin~an tertenlu dan bergerak memasuki satu gegelung.

Galvanometer

2000 turns of the coil 2000 bilangan lilitan gege/ung

Diagram 6.1 Rajah6.1

4000 turns of the coil 4000 bilangan lilitan gegelung


(a) Name the physical quantity measured by galvanometer. Namakan kuantiti fizikal yang diukur oleh galvanometer.

(b) Based on diagram 6.1 and 6.2, Berdasarkan rajah 6. I dan 6.1,

(i) Compare the number of turns of the coil Bandingkan bi/angan /ilitan pada gegelung

[I mark]

~ " I t 0 I .. I. I I I I I I I 0 I I I I 0 I I 0 I I I I I I ~ 0 I 0 I • t t I 0 I I I I I I I 0 • I I I I I I I I I I I • I I ., I I I I I I • • I I ~ I ~ I I I I I I 0 I ' I. I I 0 I I I I I 0 1 I I I O I <0 I I I "I

[l mark]

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SULIT I 1

(ii) Compare the size of deflection of the pointer of the galvanometer. Bandingkan saiz pesongan jarum pemmjuk galvanometer.

[1 mark]

(iii) Compare the height of the magnet before it is dropped. Bandingkan lretinggian magnet sebe/um ia dijatuhkan.

[1 mark]

(iv) State the relationship between the number of turns of the coil and the deflection of the pointer of the galvanometer. Nyatakan hubungan antara bilangan /iii tan pada gegelung dengan pesongan jarum penunjulc galvanometer.

0~ 0 ° • t * O 0 ° 0 0 .. 0 O O O I O O 0 a 0 0 0 0 • 0 0 0 '" 0 0 0 0 ° 0 0 0 0 0 0 0 I 0 0 0 0 0 0 0 0 0 0 I 0 I •• 0 0 • to t 0 I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... 0 0 0 0 0 0 + 0 • 0 0 0 0 0 • 0 0 .. 0 0 4 t t•

[1 mark]

(v) State the relationship between the number of turns of the coil and the induced current produced. Nyatakan hubungan antara bilangan lilitan pada gegelung dengan arus aruhan yang terhasil .

• • • • • • • • • • • ... .. • • • • • • • • • • • • • • • • • • • • • ~ ...................................... t ............................................ .

(c) The height of the magnet bar dropped is increased in Diagram 6.1, Ketinggian bar magnet dijatuhkan bertamboh pada Rajah 6. I ,

(i) What happens to the deflection of the pointer of the galvanometer. Apakah yang berlaku kepada pesongan penunju/c galvanometer.

[1 mark]

~ o • 4 0 t o • o o'" o o o t ' o o o • t o f t o 0 o t f " ~ o ~ o 4 o f o o o f o o o o o o o ~ o o o t o t o o o t o t t,. o t t o t o t o o o o I o o o t o o o o o o o o o t t o o o o o f t to o o o f t t "4-0

[1 mark]

(ii) Give one reason for the answer in 6(c)(i). Berikan satu sebab bagi jawapan di 6(c)(i) .

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

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SULIT 12

7 Diagram 7.1 shows the image of a point 2 metre marked in a swimming pool as seen by an observer standing near the pool. The point appears shallower than the real depth. Rajah 7.1 menunjuklran imej titik bertanda 2 meter dalam kolam renang seperti yang dilihat oleh seoron.g pemerhoti yang berdiri di tepi kolam itu. Tanda itu Jrelihatan lebih cetek daripada dalam sebenar.

Image of point 2 m lmej titllc bmonda 2 m

Point 2m nttJc 2"'


N

(a) (i) Name the light phenomenon that cause the observation? Namakan fenomena cahaya yang menghasilkan pemerhatian itu?

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[1 mark]

(ii) Explain how the image of the 2 metre marked appear shallower? Terangkml bagaimana imej titik bertanda 2 meter kelihatan cetek?

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[3 marks]



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SULIT 13

(b) The refractive index of the water is 1.3 3 Indeks biasan air ialah 1.33

Calculate the apparent depth of the point 2 metre marked. Hihmglcan dalam ketara titik bertanda 2 meter.

[2 maries]

(c) Diagram 7.2 shows a reflector made by a student. The light rays reflected by the plane mirror to heat the water in a cylinder container. The heat produced by the reflector is not enough to increase the water temperature to a desired value. Some modifications need to be done the mirror to increase the water temperature. Rajah 7. 2 menunjulclcan sebuah pemanlUI yang dibuat oleh seorang pelajar. Sinar cahaya dipantulkan oleh cermin satah itu untuJc memancukan air daJam takrmgan silinder. Haba yang dihasilkon oleh pemantul itu tidok mencukupi untuJc menailtlran suJru air kepada nilai yang diinginkan. Beberapa penguhaluuaian perlu dilakukan kepada cermin untuJc mentngluztlcan suhu air.

State the suitable modification and give one reason for each modifications. Nyatakan pengubah.suaian yang sesuai dan berikan satu sebab bagi setiap pengubahsuaian itu.

(i) Type of the mirror. Jenis cermin

Reason Sebab


[2 marks]

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453 1/2 [Lihat sebelah SULIT*

I I I I I I I I I I I • I I I I • I • • I • • • • • • • • • • • • • • • • ~

• • ill!

• • • • .. • .. * .. """ :C·.o.


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SULIT

(ii) Diameter of the mirror. Diameter cermin.

Reason Sebab

14 4531/2

[2 mar.b]

8 Diagnun 8.1 shows an adapter which can be used to charge a cell phone battery. The adapter change the direction of current through the rectification process before charging the battery.

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Rajah 8.1 menunjukkan pengecas bateri yang boleh digunalcan untuk mengecas bateri sebuah telefon bimbit. Pengecas tersebut menukarlron arah arus me/alui proses re/ctiflkasi sebelum mengecas sesebllllh bateri.

Diagram 8.1 Rajah8.i

(a) What is the meaning of rectification process? Apakah yang dimabudkan dengan proses rektifikasi?

[1 mark]



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SULIT 15

(b) Table 8.2 shows four rectification circuits. The rectifications circuits consists of diode, resistor and capasitor. Jadual8.2 memmjukkan empat lital' rdtifikasi. Litar nktifikasi tersebut mengandtmgi diod, perintang dan kapasitor

p

Q

R

s

Rectification circuit 1/itar rtktifllcosi

Table 8.2 Jadual8.2

R

R

I

Using Table 8.2, state the suitable characteristics of the rectification circuits based on aspects; Menggunakon Jadual 8.2, nyatakan ciri yang sesuai bagi Jital' rektijikmltersebut berdmarkan mpek;

(i) Diode arrangement Su.nmon diod

......... . . ....... ....... . . t . ......... .... . ..... . . ... .... . ............ ~ ~ . .. .. ' ••• • • ; •• • •••••• • ' ••• ' • • •••••••••••••••

Reason &bab

[2 mar.b]

<153112

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SULIT

(ii) With or without capacitor Dengan atau ta71ptJ kapasitor

Reason Sebah

16

[2marb]

(c) Based on the answer in (b )(i) and (b )(ii), state the most suitable rectification circuit can be used. Berdmarkanjawapan do/am (b)(i) dan (b)(ii), nyatakan litar rektifilrosi paling sesuai yang lwleh dlgunalran.

(d) State another function of the diode. Nyatakan jung3i lain bagi diad.

(e) Diagram 8.3 shows the trace produced by an alternating cUll'eJlt signal on the screen of a cathode ray oscilloscope. The time base of the oscilloscope is set at 0.02s per division. RDjah 8.3 ~nunjukkan SUI'ihan yang dihosi/kan o/eh arus ulangaiik diatas skri" osi/Niwp sinarlcatod. Dasar masa osiloskop ditetapkan pada 0.02 s per division.

Diagram 8.3 RDjah8.3

- -- --~·-r··r··r··r· I I I I' I I I 1 I I I I 1 I

··r-·T··,--,--,--~·-r·· I 1 I I I I I I I I I I I I

··r··T··1··1--,--~·-r·· 1 t I I I I I I t I I I I I

··r·-~--~--~--,--~--~--1 I I I I I I I I I I t I I

••+~••••~ •• ~v~·~--~--1 I I I I I I 1 I I I 1 I I

--~--~--J--J--~--~-.L--1 I I I I I I I I I ' I I I I

l--~--J.--~--~-.L--~-

Diagram 8.4 RDjah8.4

(i) Wbat is the periode of the alternating current signal? Berapa)rah tempoh hagi isyarat arus ulangalik tersebut?

(1 mark]

[1 mark]

[1 mark]

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• 'I

SULIT 17

(ii) Calculate the frequency of the alternating eunent signal. Kirakanfrelcuensi bagi isyarat Cli'1IS ulangalik tersebut.

J~3 1/2

[2 marks]

(iii) On the Diagram 8.4 draw the trace produced when the frequency of the alternating current signal is doubled Pada Rajah 8.4 lukiskan surihan yang terhasil apabila frekuen.si bagi isyarat arus ulang alik terse but digandakan.

[2 marks]



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SULIT 18

Secdon B BahagiaiiB [20 marks]

Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini.

9 Diagram 9.1 and Diagram 9.2 show two identical polystyrene glasses are filled with hot water at the same temperature. Diagram 9.3 and Diagram 9.4 shows the changes in temperature of the water after 5 minutes the water are cooled. Rajah 9.1 dan Rajah 9. 2 menunjukkan dua biji gelas polisterina diisikan dengan air panas pada suhu yang sama. Rajah 9.3 dan 9.4 memmjuJckan perubahan suJru air itu selepas 5 minit disejuldcan.

Thermometer --- T~rmom1t1r -------l

Diagram 9.1 R4foh9.1

11---- Thermometer T~rmom~ter

Diagram9.3 Rqfah9.3

Diagram 9.2 R4fah9.2

----+1

Diagram 9.4 R4Jah9.4

/

/

(a) State the principle involved when the thermometer measure the temperature of water. Nyatakon prinsip yang terlibat apabila termometer itu digunokan untuk mengukur suhu air.

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[1 markJ



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SULIT 19

(b) Using Diagram 9.1 and Diagram 9.2, compare the mass ofwater in the both glasses. Using Diagram 9.3 and Diagram 9.4, compare the reading oftbe thermometer and the rate of loss of heat from the water in the glasses after S minutes. Relate tbe mass of water and the rate of Joss of beat .from water to make a deduction regarding the relationship between the mass of water and the quantity of heat in water.

Menggunalran &jah 9.1 dan Rajah 9.2. bandingkanji.sim air dalam kedua--dua ge/as, Menggunalran Rajah 9.3 dan Rajah 9.4. handing .. .an bacaan termometer dan lcadar kehilangan haba daripada air dalam kedua-dua gelas selepas J min it. Hubungkaltjisim air dengan kadar kehilangan haba daripada air untuk membuaJ deduksi tentang hubungan jisim air dengan Jcuantiti haba didalam air.

(c) Diagram 9.3 shows the phenomenon of sea breeze. Rajah menunjukkan fenomena bayu /aut.


Explain how the phenomenon of sea breeze occurs. Terangkan bagaimanafenomena bayu /aut ber/aku.

(d) Diagram 9.4 shows a cooling system of a motorcycle engine. Rajah 9.4 menunjulckan sistem penyejukan sebuah enjin motosikal.

I

•

Diagram 9.4 Rojah 9.4

I

rm Slrip

[5 marks]

{4 marks]

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SULIT 20

You are required to modify the fins in Diagram 9.4 so that it can cool the motorcycle engine faster. Ando dikehendaki untuk mengubahsuai sirip pada Rajah 9. 4 supaya ia dapat menyejukkan enjin motruikal dengan lebih cepat.

State and explain the modifications based on the following aspects: Nyata dan terangkan pengubahsuaian berdasarkan aspek-aspek berikut.

( i) the specific heat capacity of the fin Muatan haba tentu bagi sirip

(ii) the melting point of the fin takat lebur sirip

(iii) the rate of expansion of the fin kadar pengembangan sirip

(iv) the heat conductivity of the fin kek.onduksian haba sirip

(v) the number of the fin bilangan sirip

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[10 marks]


.e

.f:


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SULIT 21 453112

10 Diagram 10.1 and Diagram 10.2 show electric circuits contains two identical bulbs which has resistance R., are connected to a new dry cell 1.5 V. Current flows through the circuits to light up the bulbs.

&jah 10. J dan Rajah I 0.2 menunjuk/wn litar-litar elelctrik yang mengandungi dua mentol serupa yang mempunyai rintangan R disambungkan ke sel kering baru I.5 V. Arus mengalir melalui litar· litar itu untulc menyalakan mentol-mentol tersebut.

Diagmn 10.1 Rajah 10.1

(a) What is the meaning of current? Apakah yang dimaksudkan dengan arus?

(b) UsingDiagram 10.1 and Diagram 10.2, Menggunakan Rajah I 0.1 dan Rajah 10. 2,


[1 mark]

Compare the brightness of the bulbs light up, the effective resistance of the type of circuit connections and the reading of ammeter of the both electric circuits. Relate the brightness of the bulbs light up to the reading of the ammeter. Deduce the relationship between the effective resistance and the magnitude of current flows.

[5 marks] Bandingkan kecerahan mentol·mentol itu menyala, rintangan berkesan bagi jenis sambungansambungan litar dan bacaan ammeter bagi kedua·dua litar elektrik itu. Hubungkaitkan kecerahan nyalaan mentol·mentol itu terhadap bacaan ammeter. Rumuskan hubungan di antara rinlangan berkesan dengan magnitud aru.s mengalir.

[5 markah]

(c) (i) By using appropriate symbols, draw an electric circuit diagram for each type of the circuit connections in Diagram 10.1 and Diagram 10.2. [2 marks) Dengan menggunakan simbol-simbol yang munasabah, lukiskan satu rajah litar elektrtk bagi setiap jenis sambungan-sambungan litar dalam &jah 10.1 dan Rajah 1 0.2.

[2 markah]

(ii) Explain what will happen to the magnitude of current flows through the circuit in Diagram10.2, when one another identical bulb is connected parallel to the both bulbs.

[2 marks] Teranglrlm apa akon terjadi kepada magnltud arus yang mengalir melalui litar dalam Rajah 10.2, apabila satu mental serupa lain disambungkan selari kepada kedua-dua mentol itu. [2 mar leah]



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SULIT 22

Diagram 10.3 shows a simple structure of bulb. The bulb working based on heating of filament depends on their resistance, but does not produce brighter light. RI:Jjah 10.3 menunjukkan satu struklur ringkos mentol. Mento/ itu hekerja berdasarkan pemanasan filamen bergantrmg kepada rintangannya, tetapi tidak menghasilkan cahaya yang lebih cerah.

Conta((t points Tmk ptmyambung

Diagram 10.3 RI:Jjah 10.3

wire filament wai l~ballwus

{d) The bulb in Diagram 10.3 is going to be used to light up at larger area. Mento/ dalam Rajah 10.2 itu akan digrmakan rmtulc menerangi kawasan yang lebih luas.

Explain the modification need to be done to the bulb to increase the brightness to light up at larger area. Terangkan pengubahsuaian perlu dilakukan kepada mentol itu untuk meningk:atkan lcecerahan bagi menerangi pada kawasan yang luas.

In your explanation. emphasize the aspects of: Dalam penjelasan anda, berikan penekanan kepada aspek-aspek; (i) The shape of the filament used.

Bentuk .filamen yang digrmalcan .. (ii) The thickness of the filament wire.

Ketebalan dawai .filamen. (iii) Melting point of the filament material.

Taka/ lebur bahan .filamen. (iv) Gas pressure inside the bulb.

Tekanan gas di dalam mentol. (v) Material used for contact points.

Bahan yang digrmakan rmtulc titik-titik penyambung. [10 marks}

453112

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SULIT 23

Seetioa C Baltagian C

[20 marks]

.Aiuwer any oae question from this section . ..-... liD soalan dmipada bahagian ini.

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11 Di.a.gr3a 1 ~--' *'-'• · il .a--.:r_ 'The sotm.ine applies Archimedes' Principle to enable it to ftOIIl and submerged in the sea water.

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Rl:ljah J J.J memtlfiukkon sebuah kapal selam di lauum. 1JJpaJ selam menggunalran Prinsip Archimedu yang membolehlramtya terapr.mg dan tenggelam di db/am /aut.

(a) State Archimedes' Principle. Nyatakan Prinsip Archimedes.

Diagram 11.1 Rajah ll.l

(b) Explain how the submarine float and submerge in the sea water Terangkan bagaimana kapal selam itu te,.apung dan tengge/am di dalam air lout.

(c) Table 11.1 shows four boats, P, Q, R, and S with different specifications.

{I mark]

[4 marks]

You are required to detennine the most suitable boat that can cany many passengers, move with high speed and safe. Jaduolll. l menunjukkan empat buah bot, P. Q, R. dan S dengan spesifikosi yang berbeza. Anda dikehendald menentulran bot yang paling sesuai digunakan untuk membawa penumpang yang ramai, bergerak dengan laju yang tinggi dan selamat.



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SULIT

p

Q

R

s

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24

propeller ~~----------~.~~~--~$

steel volume of air space = 80 m 3

k81ub 1stpadu ruang udara = 80 mJ

plimsoU line gans pl~msoJJ

propeller r-------------~~~~~-k~as

fibre composite gei'IIIIJn lcompont

volume of air space= 100m3

isipadu ruang udara =1 00m J -----1

propener ~-----------~~==~--k~s

fibre composite gentian komponl volume of air space = 100 m "J

tstpadu roang udara = l 00 m1

plimson line garts phmsolJ

vohune of air space = 80 m 3

t~padu ruang udara = 80 m1

Table 11.1 Jadua/11.1

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SULIT

(d)

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25

Study the specifications of all the four boats based on the following aspects: Kaji spesifilcasi keempat-empal bot itu dari aspek berikut :

The material used to build the body of the boat Bahan yang digunakan untuk membina badan bot

The volume of air space in the boat /sipadu ruangan udara dalam bot

The existence of plimsollline Kewujudan garis p/imsol

The size of the propeller Saiz kipas

Explain the suitability of each aspects and then determine the most suitable boat. Give a reason for your choice. Terangkan kesesuaian setiap aspek dan seterusnya tenlukan bot yang paling sesuai.

Beri sebab untuk pilihan anda. [10 marks]

The weight of a boat without load is 12 000 N and the volume of the immersed portion of the boat is 5.0 m3

• [Density of sea water is 1020 kg m·3 ]

Berat sebuah bot tanpa beban ia/ah 12000 N dan isipadu bahagian tenggelam bagi bot itu ialah 5.0 m3

• [ Ketumpatan air ialah 1020 kg m-3 ]

Calculate Hitunglcan

(i) The buoyant force exerted to the boat. Tujah ke atas yang dikenakan pada bot itu.

(ii) The maximum mass of load that can be supported by the boat so that it will not sink completely. Jisim maksima beban yang boleh ditampWJg oleh bot supaya ia tidaJc tenggelam sepenuhnya.

[5 marks]

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SULIT 26 453112

12 As a research engineer in a factory, you are asked to investigate the characteristics of several substances in order to produce semiconductors with better conductivity.

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~bagaijwutera penyelidik di sebuah lcilang, kamu dikehendaki mengkaji ciri-ciri beberapa bahan untulc menghasilkan semikondulctor yang mempunyai kekonduksian yang tinggi.

(a) What is the meaning of semiconductor? Apakah yang dimaksudkan dengan semilwndulctor?

[l mark]

Diagram 12.1 shows the bonding of silicon atoms, each with four valence electrons in its outermost shell. Rajah 12.1 menWijuklran ilcatan atom-atom si/ilcon, setiapnya dengan empat elektron val ens di peta/a luar setiap atom.


(b) By using Diagram 12.1, explain how n-type semiconductor is produced. Dengan menggwaakan Rajah 12.1, teranglcan bagaimana semilwnduktor jenis-n dihasilkan.

[4 marks]



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SULIT

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27

x~--------~----------~

T


6 v

453112

Diagram 12.2 shows a transistor circuit. Resistor M is a variable resistor and resistor N is a fixed resistor. Buib Twill light up when the potential difference across N is at least I V. Rajah 12.2 menunjukkan satu litar transistor. Perintang M adalah perintang bolehubah manalcala perintang N adalah perintang tetap. Mento/ T akan menyala apabila beza lceupayaan merentasi N adalah sekurang-kurangnya 1 V.

(c) When the potential difference between Y and Z is I V, calculate; Apabila beza lceupayaan antara Ydan Z adalah I V, hitung;

(i) The potential difference across X and Z? Beza lceupayaan merentasi tilik X dan Z?

(ii) The potential difference across X andY? Beza lceupayaan merentasi X dan Y?

(iii) The maximum resistance, M that enables the bulb T is light up. Rintangan maksimum, M unJUk membolehlum menlo/ T iJU menyala.

[1 mark]

[1 mark]

[3 marh]

[Lihat ~bt-bh SU.IP


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SULIT 28 453112

Diagram 12.3 shows four electronic circuits A, B, C and D with different specifications. You are required to detennine the most suitable electronic circuit to light up three street lights 95V, 65 W automatically with normal brightness when it is dark. Rajah 12. 3 menunjukkan empat litar elektronik A, B, C dan D dengan spesifilcasi yang berbeza. Anda dikehendaki menentukan /itar e/ektronik yang paling sesuai untuk menyalakan ketiga-tiga lampu jalan 95 V, 65 W secara automatik dengan kecerahan normal apabila keadaan gelap.

Circuit

A

~

B

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Circuit diagrams

6 v

6 v

--'

1+ 95V



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SULIT

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c

D

29

6 v

6 v


Study the specifications of all ofthe four circuits based on the following aspects: Kajl semua spesifilwsi tersebut berdasarkan aspek-aspek berikut:

Tho position of the light dependent resistor (LOR). Kedudulrmr perintang peka cahaya (PPC). The connection of the batteries. Penyamb~~~~gan bateri. The arrangement of tho street lights circuit. Susunan litar /ampu../ampu jalan The use of a relay switch in the circuit. Penggunaan suis geganti dalam litar.

l + 95V

Determine the most suitable circuit diagram to be chosen and give one reason for your choice. Tentulran gambarajah litar yang paling sesuai dipilih dan berikan satu sebab bagi pilihan anda.

END OF QUESTION PAPER KERTASSOALANTAMAT

(10 marks]

[Lihat sebtlah sn.n ·


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SULIT

1!\"'FOR.\IATION FOR CANDIDATES ~UMAT UNTUK CALON

30

1. This question paper consists of three sections: Section A, Section Band Section C. Kertas soalan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan Babagian C.

2. Answer all questions in Section A Write your answers for Section A in the spaces provided in the question paper. Jawab semua soa/an dalam Bahagian A. Tulis jawapan bagi Babagian A dalam ruang yang disediakan dalam kerras soalan

3. Answer one question from Section B and one question from Section C. Write your answers for Section Band Section Con the lined pages at the end of this question paper. Answer questions in Section Band Section C in detail. You may use equations, diagrams, tables, graphs and other suitable methods to explain your answer. Jawab satu soafan daripada Bahagian B dan satu soalan daripada Babagian C. Tuliskan jawapan bagi Babagian B dan Babagian C pada halaman bergarisdi bahagian akhir kertas soa/an ini. Jawab Babagian B dan Bahagian C dengan terperinci. Anda boleh menggunakan. persamaan, gambar rajah, jadual, graf dan cara lain yang sesuai untuk menjelaslcan jawapan and a.

4. Show your working, it may help you to get marks. Tunjukkan kerja mengira, ini membantu anda mendapatkan markah.

5. If you wish to cancel any answer, neatly cross out the answer. Sekiranya anda hendak membatalkan sesuatu jawapan, buat garisan di atas jawapan itu

6. The diagram in the question provided are not drawn to scale unless stated. Gambarajah yang mengiringi soalan tidak dilukiskan mengikut skala kecua/i dinyatalcan.

7. A list of formulae is provided on page 3. Satu senarai rumus disedialcan di halaman 3.

8. The marks allocated for each question or part question are shown in brackets. Markah yang diperuntukkan bagi setiap soalan at au cera ian soalan ditunjukkan dalam kurungan.

9. The time suggested to answer Section A is 90 minutes, Section B is 30 minutes and Section Cis 30 minutes. Mas a yang dicadangkan untuk menjawab Babagian A ialah 90 min it, Babagian B ialah 30 minit dan Bahagian C ialah 30 minit.

10. You may use a non-programmable scientific calculator. Anda dibenarkan menggunakan ka/kulator saintifik yang tidak boleh diprogram. Walau bagaimanapun, langkah mengira perlu ditunjukkan.

11. Hand in this question paper at the end of the examination. Serahkan kertas soalan ini di akhir peperiksaan.

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SULIT 453113 Fizik Kertas 3 Sept 2012

11 .

2;am

Name : .................................................. . Form

JABATAN PELAJARAN NEGERI TERENGGANU

PEPERIKSAAN PERCUBAAN SPM 2012

PHYSICS FIZIK

Paper 3 Kertas 3

One hour and thirty minutes Satu jam tiga puluh minit

DO NOT OPEN THIS QUESTION PAPER UNTIL TOLD JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERJTAHU

1. Write your name and fonn in the space provided Tuliskan nama dan tingkatan anda pada ruang yang disediakan

l Candidate is required to read information or page 15.

Calon dikehendaki membaca maklumat di ha/aman 15.

Section

' A

B

Question

1

2

3

4

Total

Full marks

16

12

12

12

Disediakan oleh: Dellllll/1 Kerjasama: Dibiayai oleh:

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Marks obtain

AKRAM NEGERI TERENGGANU MPSM NEGERI TERENGGANU KERAJAAN NEGERI TERENGGANU

TERENGGANU NEGERI ANJUNG ILMU

Dicetak oleh: Percetalam Yayasan Islam Terenggauu Sdn . Bhd.

1id: ()(11}.066 HfJIIIM5218601 Fake 609-666 06!1101/fJJ

Kertas soalan ini mengandungi 15 halaman bercetak

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4531/3 © Hak Cipta Jabatan Pc lajaran Neger! Tcn:.ngganu [Lihat sebelah SULIT*


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eduQR



Sl"LIT

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2

S~tionA BahagilmA

[28 marks] [28 markah]

Answer all questions in this section Jawab $eltUUJ soalan dalam bahagian ini.

Time suggestion in this section is 60 minutes Masa yang dicadang/can untuk menjawab bahagian ini ialah 60 min it.

1 A student carries out an experiment to investigate the relationship between the object distance, u and the linear magnification, m, of a convex lens. The apparatus is set up as shown in Diagram 1.1 Seorang pelajar menjalanlcan satu eksperimen untulc mengkaji hubungan antara jarak objek. u dan pemebesaran linear, m. bagi kanta cemhung. Rodas disedialcan seperti Rajah 1.1.

Cross wire Dawai silang

Convex lens !Wnta cembung


Screen Image

v

The object distance, u, is fixed at 30 em and the image distance, v, is measured as shown in Diagram 1.1. The linear magnification, m, is calculated by using equation

v m=

u

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SULIT

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3

Jarak objek, u, ditetaplran pada 30 em dan jarak imej, v, diukur :seperti yang ditunju&n dalam Rajah 1.1. Pembesaran /i~ar. m, dildra dengan menggunaAan persamaan

v m=-

u Experiment is repeated with object distance 25 em, 20 em, 15 em and 10 em. Eksperimen diulang dengan jarak objek 25 em, 20 em, 15 em dan 10 em

(a) For the experiment described above, identifY: Dar;pada penerangan elcsperimen di atas, unalpasti:

(i) The manipulated variable Pembolehubah manipulasi

(ii) The responding variable Pembolehubah bergerak balas

(iii) The constant variable Pembolehubah dimalarltan

[I mark] {1 markah]

[I mark] [I markah]

[1 mark] [1 markah]

Diagram 1.2, 1.3, 1.4, 1.5 and 1.6 shows the position of the lens and the screen for object distance, u, 30 em, 25 em, 20 em, 15 em and 10 em, respectively. Rajah 1.2, 1.3, 1.4, 1.5 dan 1.6 menunjukkan ududukan kanta dan sk:rln bagi setiap }orale objek, u. 30 em, 25 em, 20 em, 15 em dan 10 em.

Lens lranta

Diagram 1.2 : object distance, u = 30 em Rajah 1.2 : jOI'ak objek, u • 30 em

screen skrin

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SULIT 4

9i 10 Diagram 1 .3 : object distance, u = 25 .:1:::.

Rajah 1.3 :jarakobjek, u ""25 arr

Diagram 1.4 : object distance, u = 20 em Rajah 1.4 : jaralc objek, u = 20 em

Diagram 1.5 : object distance, u = 15 em Rajah 1.5 :jarakobjefc, u = 15 em

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SULIT

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5

Diagram 1.6 : object distance, u = 10 em Rajah 1.6 :jarakobjek, u = IOcm

(b) Based on diagram 1.2, 1.3, 1.4, 1.5 and 1.6, determine the magnitude of v, of each object distance, u = 30 em, 25 em, 20 em, 15 em and 10 em. Hence, calculate

l d ,. 'fi . - an mear magm JCatiOn, m. II

Berdasarltan Rajah 1.2, 1.3, 1.4, 1.5 and 1.6, tentukan nilai v, bagi setiap jarak

objek, 11 = 30 em, 25 em, 20 em, 15 em and 10 em. Seterusnya lcirakan _!_ dan

pembesaran linear, m.

I Tabulate the values of u, v, - and m in the space below.

" Jadualkan nilai-nilai bagi u, v, _!_dan m pada ruangan di bawah .

"

II

[6 marks] [6 marlcah]

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SULIT 6

(c) On the graph paper, plot a graph of m against .!.. u

Di alas kertas graf plotkan graf m lawan u

(d) Based on your graph, state the relationship between m and .!. . u

1 Berdasarkan graf anda, nyatakan perhubungan di antaram m dan -.

u

(e) State one precaution that should be taken to obtain the accurate result.

[5 marks] [J markah]

[1 mark] [1 markah]

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Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk mendapat keputusan yang lebihjitu.

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[1 mark] [1 markah]



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SULIT 7 453U3

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Graph m against : -H+ -4--J-

I'

1 1 -I grafm lawan -u u

I H-H···''

-f . ....o..

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SL'LIT 8

l A student carries out an experiment to investigate the relationship between the mass, m and temperature, () of water. The student used different mass of water and corresponding temperature is recorded.

The student then plots a graph of fJ against -1

as shown in Diagram 2.1. m

Seorang pe/ajar menja/ankan e/c.sperimen untuk mengkaji hubungan antarajisim, m dengan suhu, 0. Pel ajar itu menggunalwn jisim air yang ber/ainan dan suhu yang sepadan direkodkan.

Pelajar itu lremudian memplotlum graf () lawan .!.. seperti pada kJ}ah 2.1. m

Graph () against -1

m

1 Graf () lawan -

m

ef'Jc

0 0.5 1.0 15

Diagram2.1 Rajah2.1

2.0 25 3.0

4531/3

4531/3 !Lihat sebelah SULIT*


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SULIT 9 4531/3

(a) Base on the graph in Diagram 2.1, Merujuk kepada graf dalam Rajah 2. 1,

4531/3

(i) what happen to (} when m increased? apakah yang berlaku kepada (} apabila m bert am bah?

.................................................................................... 4 ......... . ..... ..

[1 mark] [1 markah]

(ii) detennine the temperature, (} if the mass ofheated water, m is 0.8 kg. Show on the

graph how you determine e. Tentukan suhu (} jikajisim air yang dipanaskan ialah 0.8 kg. Tunjukkan pada graj bagaimana anda menentukan B.

0 0 0 0 0 1 0 0 1 I 0 0 o 0 0 0 0 0 0 0 + 0 I 0 0 • 0 •' 0 0 0 0 0 0 o 0 4 0 0 0 I 0 0 0 o o .0 0 ~ a • I 0 0 .0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o 4 0 0 0 o o o o o o o o o o o 0 0 I 0 0


(iii) calculate the gradient of the graph. Show on the graph how you determine the gradient. hitungkan lcecerunan graf Tunjukkan pada graf bagaimana anda menentukan kecerunan itu.


ruhat sehelah SLLIP


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SULIT 10 453113

(b) Using the value obtained in (aXiii) and equation h = Q , calculate the specific heat c

capacity, c of the water if his gradient of the graph and Q is the quantity of heat used,

6.1 X J04J.

Dengan menggunakan nilai yang diperolehi da/am (a){iii) dan persamaan h == Q , c

hitunglcan muatan haba tentu, c bagi air jilca h ialah lrecenman graf dan Q ialah lruantiti haha yang digunakan, 6.1 x 10 4 J .

[3 marks] {3 markah]

(c) State two precaution taken during the experiment.

4531/3

Nyatakan dua langkah berjaga-jaga yang perlu diambil semasa menjalankan eksperimen.

(i)

(ii)


[Lihat sehelah SULIT*


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SULIT 11

Section B Bahagian B


Answer any one question from this section. Jawab mana-mana satu soalan daripada hahagian ini.

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3 Diagram 3 .I shows a plastic bottle place in a hot water. The plastic bottle is then put into a basin of ice. It found that the plastic bottle crumpled as shown in Diagram 3.2.

4531/3

Rajah J. 1 memmjuJckan satu botol plastik yang berada dalam air panas. Botol pla.stik itu umudiannya diletakkan Ire dalam sebuah besen yang mengandungi ais. Didapati bahawa botol itu umek seperti yang ditunjukkan da/am Rajah 3.2.

Hot water Air panas


Diagram3.2 Rajah 3.2

Ice A is

Based on the observation on Diagram 3.1 and Diagram 3.2 and using your knowledge of the gas Jaws:



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SULIT 12

Berdasarkanpemerhatian andapada Rajah 3.1 dan Rajah 3.2 dan menggunalcanpengetahwm anda tentang hukum gas:

(a) State one suitable inference. Nyatakan satu inferens yang sesuai.

(b) State one suitable hypothesis. Nyatakan satu hipotesis yang sesuai.

[1 mark] [markah]

[I mark] [markah]

(c) With the use of apparatus such as capillary tube, thermometer and other apparatus, describe an experimental framework to investigate the hypothesis stated in 3(b ). Dengan menggunalran radas seperti tiub kapilari, thermometer dan radas-radas lain, terangkan satu rangka kerja untuk menyiasat hipotesis yang anda nyatakan di 3(b)

In your description, state clearly the following: Dalam penerangan anda, jelaskan perkara berikut:

i) Aim of the experiment. Tujuan eksperimen.

ii) Variables in the experiment. Pembo/ehuhah dalam eksperimen.

iii) List of apparatus and materials. Senarai radas dan bahan

iv) Arrangement of the apparatus. Susunan radas.

v) The procedure of the experiment which include one method of controlling the manipulated variable and one method of measuring the responding variable. Prosedur elrsperimen tennasuk Slllll kaedah mengawal pembolehubah dimanipulasilran dan sat11 kaedah mengukur pembolehubah bergerak balas.

vi) The way you would tabulate the data. Penjadualan data.

' vii) The way you would analyse the data.

Cara anda menganalisis data.

[10 marks] [JOmarkah]

4 Diagram 4.1 shows Zamry was switch on the desk fan with speed control number 1. He obtatined the fan running slow. Later he _press the button syeed control to number 3 and he obtained the fan running faster. Rajah 4.1 menunjukkan Zamry telah menghidupkan kipas meja dengan kawalan kelajuan nombor 1. Beliau mendapati kipas tersebut berpusingperlahan. Kemudian be/iau menekan butang kawa/an kelajuan kepada nombo1' 3 dan didapati kipas berpusing /ebih /aju.



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SULIT

4531/3

13


Speed control Pengawal kRJo,juan

Based on the observation above and your knowledge of resistance and current;

Berdasarkan pemerhutian di atas dan pengetahuan anda mengenai rintangan dan arus;

(a) State one suitable inference. Nyatakan satu inferens yang sesuai.

(b) State one suitable hYPothesis. Nyatakan satu hipotesis yang sesuai.

{1 mark] [I markah]

[I mark] [1 markah]

(c) With the use of apparatus such as voltmeter, wire conductor and others de~ribe an experiment framework to investigate the hypothesis stated in 1(b)

Dengan menggunalcan radas seperti voltmeter, ammeter, dawai kondukior dan lainlain, terangkan satu rangka kerja eksperirnen untuk rnenyiasat hipotesis yang anda nyatakan dalam 4(b)

In your description, state clearly the following Dalam penerangan anda jelaskan perkara berilcut:

i)

ii)

iii)

iv)

Aim of the experiment. Tujuan eksperimen.

Variables in the experiment. Pembolehubah da/am eksperimen.

List of apparatus and materials. Senarai radas dan bahan

Arrangement of the apparatus.

Susunan radas.

4531/3

[Lihat sehelah St:LIT*


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SULIT

4531/3

14

v) The procedure of the experiment which include one method of controlling the manipulated variable and one method of measuring the responding variable. Prosedur eksperimen termasuk satu kaedah mengawal pembolehubah dimanipulasikan dan satu kaedah mengukur pembolehubah hergerak balas.

vi) The way you would tabulate the data. Penjadualan data.

vii) The way you would analyse the data. Cara anda menganalisis data.

END OF QUESTION PAPER KERTASSOALANTAMAT

[10 marks] [10 markah}

4531/3



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SULIT 15

n..rOR.\!A TION FOR CANDIDATES M.fKL c:,.t-tr lJJor TUK CALON

1 Ths question paper consists of two sections: Sedion A and Section B. Krnas soalan ini mengandungi dua bahagian : Bahagian A dan Babagian B.

2 .~-...er all question in Section A. Write your answers in the spaces provided in :j,e question paper. ):-.JC teau soalan dalam Babagian A. Jawapan kepada Bahagian A hendaldah ditulis j -; :M n.atg ya11g disediakan dalam kertas soalan.

4531/3

J ~--~ OM question from Section B and detail. You answer must clear and logic. You can use ~.,:.Lo::es.. jjagrams, tables, graphs and other suitable methods to explain your answer • .,:: • . :: .. .'· saiU soalan daripada Bahagian B dan terperinci. Jawapan mestilahjelas dan logik . . !.U: ~l.th menggunakan persamaan, gambar rajah jadual graf dan cara lain yang sesuai "'"'~ ~telaskan j awapan and a.

4 ;: ~~ 'iltiSh to cancel any answer, neatly cross out the answer.

6

8

4531/3

Y.I::.P" .:;:r.y,;; .:md£1 hendak membatalkan sesuatu jawapan, buatkan garisan di alas jawapan

T.u.e diagram in the question provided are not drawn to scale unless stated . . ~..J7air yang mengiringi soalan tidak dilukiskan mengikut skala kecuali dinyatakan.

T:le marks allocated for each question or part question are shown in brackets. .H:ITkah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam i-urungan.

'{ou may use a non-programmable scientific calculator . .4.1Jda dibenarkan rnenggunakan kalkulator saintifik yang tidak diprograrnkan

The time suggested to answer Section A is 60 minutes and Section B is 30 minutes. _tklsa yang dicadangkan untuk menjawab Babagian A ia/ah 60 min it dan Bahagian B ialah 30 .,..!!'lit.

SULIT*

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JABATAN PE.LAJARAN TERENGGANU

PEPERIKSA.l\.l~ PERCUB.AAN SPM 2012

SI.fJL PELAJARA.'; MALA \'SIA 20P PHYSICS -

SKEMA JAW AP AN FIZIK 4531

KERTAS 1, 2 & 3

4531/2


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, _; _p_v_Jn_,t_' __________________ ~R=?~i~~~~~~~~~c~:t~~~t~_n_.:_e __ fo_r_~ ___ il-~-· ~! 11

::!;-:--:' r:1 !..0\ •. ! .

/ ToliJum : 10 i I

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Qucstjon 1 I : ' i l

J QJI · ~lark ,

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r ra) I l l Archim~des · P&inciplt stap_s :hat an obje-ct " ·hn:-h is partial ly or t I

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' j ,.,..h_olly 1 ~me_rsed in a fit!id" the buoya..rn force is equal to the ' l I 1 weight 01 rlu1d displaced. I

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(b) I 1 I Water is dri., .. en out from ballast tank by compress~d air I l Weight of subm11rine == buo·.·cnt force. subm..1r:nc tloat I I I Water is fi lled imo ballast Utnk I I I \\-'eight of submarine bigger thaa'1 buo: am force. submarine

l 1 submerge

I (C ) I

Characteristics ! E:-.:planation I I , I Fibre composite j Light a.nd strong ' j I i I

I ) ' J Btgger volume of air j Hi~her buoyant fon:e

I ~ace i

I , I Has a plimsoll line J To t!n ure tht: ship wi II noL be I over loud

' l , I I Oigger size of propeller j To pwJ uce grearer l'orv,,ard thrust

I I l I

I I , I I Cho~en : R bc•('3U3c:' ins i'ibrc ('omposite, bigger volume pf air

spnce. plirnsolll ic enJ b..,.ger size of propeller (d)t i) I F= I 0~0 ~) ~ l 0

I = 51 000 N

(ij) I ] _ 000 + \\.· = ) ! 000 ~

1 \\' = ."9 000 N 1 rn = ] 9DO kg

Total 20 I


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QUE fJU:" I ; ..----- -- --~----

- --·---··-~--- - -- -

I

I J

I

I

1

I j 0

0 12(c)(l)

; I 2( c J{ i1 )

V X·l = 6 V

v ~ · \ :: 6 -I = 5 v { J : (c)(iii)

12(dl j · LDR is ~onnerted n1 b3se circw1

I. \\'hen intensit) of light is low dJ..rk. resis::m ' c of LOR

mcreas~.:; / ~o Yw: is !arge t' rr:msisror switched on

· TerminJI posit-h-e of baneritS is connec- :~J to collector - So thnt the trJ.nsistor is fvn' ard bi aseJ

· Bulbs are arranged in pmUeJ circuit · All bulbs are ~onnected to voltage suppl~ of 95 \'

t

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1

) ...

I


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,., ~-.....--- ....... ' .

--..._. ____ _ !

' -~~.. 1 · l.nOC•Se A

I ." Bec:Juse LOR JS COTL1ected ~ . . . . . 1 15 connected to coJiert . C. 2 v~e ciicuil. termmal posnwe ot bnnenes l s:.,·itc.1 J.s used. - or. ulbs a:e a.rranged in p31'3.llel circuit and relay

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I

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(ii)

( iii)

(b )( i)

fii)

(iii)

s .. cnHI fjzik J pcrcubann spm 20 I 2

SECTION A

Smtc tbe respon •0 ·fi . Im:tge dist.anceA I linear magnt JCahon/magnificat ionlm

State tbc constant ' 'suiablc correctly focal leniZlh/fl type of lens

1 • -~· f v correctly I Record tbc readJDt:.S 0

' Diagram J .2 6.0 I Diagram J .3 6.3 / Diag.ram J A : 6. 7

Diagram 1.5 ; 7.5

I Diagram 1 .6 : 8.0 Note : 1. All. 5 values correct - 2 marks

2. 3 or 4 values correct- 1 mark 3. consistent 1 d .p

State the ''alucs of Jincar mnf!nificnlion Diagram 1.2 0.200 Diagram 1.3 0.252 Diagram 1.4 0.335 Diagram 1.5 0.500

. Diagram 1.6 : 0.800

I Note : I . Accept e.c.f. from (b)(i) 2. All 5 values correct- 2 marks 3. 3 or 4 values correct- I mark 4. consistence two or three d.p.

State the values of 1/u correctly All 5 values of 1/u correct Diagram I .2 0.033 Diagram 1.3 0.040 Diagram 1 .4 0.050 Diagram 1.5 0.067 Diagram I .6 0. 1 00 Not.c

I. All 5 values correct - I mark

m correcrJv

Table with 4 columns correctly labelled Unit of each quantities

4531/3 C 2()12 Hak C1pta Jab3tan Pel:sjar.m Terengganu

I .1\tARK

2

2

fLih:.t scbclnh SULIT

.2

2

/


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r (d)

(e)

I j

2

Maximum mark

I Draw a complete graph of m against -

u Give a tick ( ../) based on the following:

A • th . I . m at e y-a.x1s, - at the .t-axJs u

B • Uniform scale at both axes C • 5 points plotted correctly

[Note: 4 points plotted correctly : ..1] D • Straight line of best fit is drawn

(not rrough rhe origin)

E • Minimum size of graph 5 x 4 big squares (Dig square : 2 em x 2 em) (From the origin to the last point)

1\1arks awarded :

Number of ../ Marks 6..1 5

4 -5..1 4

3 ../ I 3 2../ 2 I ../ 1

State the correct relationship between sin i and sin r 1

m increase linearly to -ll

7

../../

5

5

1 1

16


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(ll) ( iii)

(b)

(c)

Tofu I 12 ------,~--- -

1\lue K 1\ ll ~WlT

----------------------------------~

,"! nh.' lt~rnht~~y( t1 _.

· ··hP\\'~. 1-!flll'h (" \ \ (l ll lh 11:111ilfl

·.!'""' ~· f hr l' lll·t c tlJW II• h 11 ~: 11rr ow · I N '\ · // I N.tt '•c // l'>.o 'c (r·C'.k ct without unit)

! · • · tlu( • h•• cr ncHl•Jtf of llet'_L'''' !..Pih h unci sh1h• tin· vnluc of h with rfw IU' 'l ' fl'll 1Ja· l'IIJ!J:.&~

· I 'r t t\\ 11 ~ullh•cit••ll.v lnrt:L' triunglc to cttlculntc the grndicnt of the p.l'lrpl t.

·< ·,,,,.,,., :•uh:: frfut it • n(f~ dl ""' crtndidrt tc's triangle) -Siul<: Vlllllr ,,f flt r fll'lldictll wi th ~orrc <.: tuni t. 'file grudirnl ' •f lhL· grnpll i:; 1·1 .• 5 "c kg

('

( ' (, , I "'· I 0'

I ·1.5S

·I I i) 2. ·1 ·1 J k J-t I '\ • I

Sr ir flu: wnrrr gcnrly wirlt thr healer to ensure Lhnt heal is distributed IIIII fi 11'111 Jy Ill :111 par I of lltl' W:tler.

fVJakc ~111 ,. the in~ uln t ing j:Jckt.: t is covered 11 !1 pnrt of the beaker.

~ ~·~----------------------~


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I I

i

. ' i i

1

.------ ------ . L~t c f

~ - -- .. --- ~- .

·--------.

, ... -~ t ........... _'

-------------------1

( O!ll r' llf tJ f IIJU Oipo l;,te.d nl!rlllblt I

l \ ' t I

-. -- ~ . - l

' I ' !

f' tJI •,rtpl r !l !.. Il l lilt h~·a• Cr ,.~ j •.i - ''

I 11,c1 " " ' dn rc.11 l11111' , I lt'~·pt:~:;·...;t' I ' ,'\1c·u,ur,-u,t·nt ul' ,,..,,londao.: ' 12rublt" I ' l {rn.t ,wd n·, ,., ,J r!a k.lt,:1t '1 0-1 :.at,'loe I I 11, ·p;.~, -~~or 'l "11" "' J ----

1 Ttlhuluuoo ,,( , t.;at~ 'r- - . -

e c.:mr(.' .tl u r t" i~ 0

Length/ e m

ll--- __ I ~~·~· n.! l.l ·.r1 1 "-'----

j t ) I ·---·------------------L-- ----- t·

i ~: ··--lr--- ·---·--t-'1. _______ _______ ____ _ , e . I ~-------------~--------------------------------------------~

i I J

~------------- ~ Ao._1h _______ o_f_j-~--tL-----------------------------------------l ' fl..: ' .: P"<'-" .:i • c: ·-, _pe-s tr.::fer.!rure OR l


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---• t.

---________ ,. .. --~ .... -_..,..~.--.----__ ... _!1 ----- ... ~- -·

~-------~----------------------------------~~~ru~~~e:r--------------------------1 ,'--t"CftOn :"11a riJ - --- '\ ·..,f.~- ~ ,.. j I ll .r~•t"' ., &u ilZD•e 1"-·'" ' ... u- · ·--~~-'----- __; _ _ _ _ _ ..J - - .,

1 • Spetd of f3.J eul.::7". : ~J \):· .:u.:.~nt

J • Re:;i5cw ce t:Ji c.c-nc·.z: •.:r tn tl~ n.:eJ 'f kn~th . 1

I I --~~-------·----~ :~ {l!J- _ --- ~--- ---~1~1 aft rele ,aDl ~yp1~tb~~~ (.'~ith di re1:1l'\Jo

1) •

• Jf !~.!H?1l.O c£.m~u-~:::n _e r.,:n:asc. t.~t' r-:;;tst :m~ ~.· 111'-:~as~.; .

- /u~."rl l;;. ;~,;rl~d so itahh~ t?'P'Hlllll'Oi ll l rr:m~:;. ,, rk~ ( \0 1\\·~~ks)--j ------- ---

• ~f:t!£ l'l•r oim of tht· n.p<"rum·ntll\11) I t1 in'-'C:;,l 1A3le' lhC' rc b lii';) .!Hp h : t\\1,' ·n lcnw l Hlld r~:~ iSIIII IC\'

, I I H " ( 1J

j

r~ ( 11} ··------· ----- - ---·

S;&~ Ct;-lt~t· ll!,lllli)IIIILlh•d 'ti rluhl c• IH!.lf lh r rnpo nd int.:. Vlariuhh:•(IV12} Mwlipulurt'd ' u wbk kn;!tll

'

I lk~JhHidi ng \ .tnob!t• r\· ~ ~:- 1. ~ .... ~ .:

L ___ J t-J t'( i I j ) I

Srutc lhc Nlu~ranl ,.dri 1blt' t \U J /l "nnsr.nnt \ :tril1}-lk J nm.cl - ~- r::- ci .:"nJ• ... :-l•) r/ remp(:m\tlrtdrcsi•,\ivity I

I ! jDr~ .:dL ~mm .. !t>r. \\' ! tm~·.-c: . : ,Y'.5~t.an •;. trc: ~'1d meter ruler. I

~-----~-·~--~~----------------------------------------------------------------~ iJ \"lir) : 1S~tr u funrtiun aMt> urraogemt-ol oftbe apparatus CMS I

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f http://edu.joshuatly.com/ http://fb.me/edu.joshuatly

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r-- ' 4 c(") -

6

.I §.!_ntt> the nH~thou f Ex · 0 contr lti ·

4 c(vi) ' · penmt-m staned bv u . 0 n~ the manipulated \'nranhle (l\1(1)

1 _ · Sing a constantan wire length of ~0 em .

fu_ate thE: nu~thod -Switched

0 h of .measurioi' the respondinl! varinb\e (l\17)

n t e swnch d h . - a no vohmeter, v and recor t e readmg ot ammeter, 1,

-Calcu late there~· V ;,Jstance. R = _ I \.

4c(vii) I Btlltat the exn · enmcnt at least 4 times with different \'n\ur~ (MN) I

Repeat the experi 4 . . h .ffi 30 40

ment tLmes w1t d1 . erent length of constn.ntnn wire such as em, em • 50 em and 60 em.

4c(viii) I Tabulate the data (M9)

Length/em Resistancc/n 20 30 40 so 60

4c(ix) I Statl• how thltu will be unah·sed (sketch e.ranh/statcment) (M \0) Plot gmph Resistance against length

TOTAL 12 TERllv1A Experiment : ~1agnitude of the force on a current-carrying conductor in a magnitude field with the magnitude of the current


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guruthong.files.wordpress.com · ge/ombang melintang. [1 mark] (b) (i) complete the rays in diagram...

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