Download - Spm Trial 2011 Physics Qa N9

7/29/2019 Spm Trial 2011 Physics Qa N9

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CONFIDENTIALSI]LIT4531/lPHYSICSKertas 1Ogos 20111,% jam

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MAJLIS PBNGETUA SEKOLAH MBNENGAH MALAYSIACAWANGAN NEGERI SEMBILANPEPERIKSAAN PBRCUBAAN BERSAMASIJIL PELAJARAN MALAYSIA 2011

PHYSICS (FIZIK)Paperl (Kertas 1)

One hour and fifteen minutes (Satu jam lima belas minit)

JANGAN BUKA KERTAS SOALAN INI SBHINGGA DIBERITAHUl. Kertas ,goalan ini adalah dalam dwibahasa.2. Soqlan dcrlqm Bqhasct Inggeris mendahuhti soalon yang sepadan

dalam Bahasa Melayu.3, Cqlon dikehendaki membacu maklumat di halqman 2 atau halaman 3.


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CONFIDENTIALSULIT 453111

L This question paper consists of 50 questions.Kerlas soalan ini mengandungi 50 soalan.2. Answer all questions.Jmvab semua soalan.3. Answer each question by blackening the correct space on the answer sheet,Jqwab dengan menghitamkan ruongan yong betul pada kertas jawapan.4. Blacken only one space for each question.

Hitamkan salu ruangan sahaja bagi setiap soalan.5. If you wish to change your answer, erase the blackened mark that you have made.Then blacken the space for the new answer.Sekiranya anda hendak menukar jawopan, padamkan tanda yang telah dibuat.Kemudian hitamkan jawapan yang baru.6. 'The diagrams in the questions provided are not drawn to scale unless stated.

Rajah yang mengiringi soalan tidok dilukis mengikut skala kecuali dinyatakan.7. You may use a non-programmable scientific calculator.Anda dibenarkan menggunakan kalkulator saintifikyang tidak boleh diprogram.

2

INFORMATION FOR CANDIDATESMAKLUMAT UNTUK CALON


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CONFIDENTIALSULIT 453vrThe following information may be useful. The symbols have their usual meaning.Maklumqt berikut mungkin berfaedoh. Simbol-simbol mempunyai molcna yang biasa.

I v-uq- I 15. Power, P = elergYtlme2. v2 =ut +2as 16. 111 If uvJ. s = ut +Lat22 t7. noXD4. Momentum = rzy 18. sln rsln r

F=ma t9. real depthn= apparent depth6 Kinetic enersv = !^r'2 20. Q=It7. Gravitational potential energy - mgh 21. V=IR8. Elastic potential energy = ] f't2 22. Power, P =VI9. mp=7 23. N' ='oN" V,10. Pressure, P = hpg 24. Efficiencv =

V, I, x 100%' vo I,ll Pressure, P =+ 25. 8=10ms-212. Heat, mcg 26. L=mc


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CONFIDENTIALSULIT 453U1Each question is followed by three or four options, Choose the best option for eachquestion then blacken the correct space on the answer sheet.Setiap soalqn diikuti dengon tiga atau empat pilihan jawapan. Pilih jowapan terbaikuntuk setiap soalan dan hitomkan ruang yqng betul pada kertas jawapan.

1. All derived quantities can be derived by using based quantities.Which of the combination of base quantities are correct for the following physicalquantity?Semua kuantiti terbitan boleh diterbitkqn dengan menggunakan kuqntiti asas.Yong manokah gabungan kuantiti asas adalah benar bagi kuantitifizikyangberikut ?

Physical QuantitiesKuantiti Fizik Base QuantitiesKuantiti asasA HeatHaba Mass, time, temperatureJisim, masa, suhuB Power

KuasaMass, current, timeJisim, arus, mose

C EnergyTenaga

Mass, length, timeJisim, panjang, masa

D ChargeCas

Length, currcnt, timePanjang, qn$, masa

Diagram 1 shows a micrometer screw gauge .Rajah I menunjukknn sebuah tolok slcru milcrometer.2.


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J.

CONFIDENTIALSULIT 453U1A wooden block has measurement of 20 mm x 72.5 cm x 0.3 m.The volume of the wooden block in SI unit isSebuah buah blok kayu mempunyai ula#an 20 mm x 12,5 cm x 0.3 m.Isipadu blok koyu itu dalam unit SI adqlohA 7.5 x 10-6 mB 7.5 x 10-amC 7.5 x l02mD 7.5x104m

4. Diagram 2 shows a velocity-time graph of a uniformly accelerated a particle.Rajah 2 menunjukkan graf halaju-masa bagi satu zarah dengan pecutan seragam.vjlelrv-(v)

Tune (t)Diagram2Rajah2Which of the following is correct?Di antara berihtt, manakah yang benar?

AGradient of the graphKecerunan sraf Area under the graphLuas dibawah srafDisplacement

SesqranKinetic energyTenasa kinetic

AccelerationPecutan Kinetic energyTenapa kinetic


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CONFIDENTIALSULIT5. The forces are in equilibrium in all the following phenomena exceptDaya-daya adalah berada di dqlam keseimbongan kecuali

A a coconut falling from the tree.buah kelapa yangjatuh dari pokokB a car descending a hill at constant velocity

kereta yang menuruni bukit dengan holaju seragqmC a ship floating in the seakapal laut yang terapung di lautD a ball is not movingbola di tidak bergerak

6. An object is dropped from the top of KLCC building.Which physical quantity remains constant as the ball falls?Satu objek dijatuhkan dari atas bangunan KLCC.Di antara berikut, manakahyang serqgqm semasa bola itu jatuh?

Gravitational potential energyTenaga keupayaan grav i ly

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7, Diagram 3 shows a bullet is fired from a riffle.Rajah 3 menunjukkan sebutir peluru ditembak dari sepucuk senapang.

@ __->bulletpeluru

Diagram 3Rajah3

Which of the following statements is true?Di antarq berikut, manakah yang benar?A The momentum of the bullet is more than the momentum of the rifle.

Momentum peluru adalah lebih dari momentum senqpang.B The total momentum of the bullet and the riffle is zeroJumlah momentuk peluru dan senqpang adalah sifur.C The speed of the riffle is more than the speed of bulletKelajuan peluru adalah lebih dari kelajuan peluru.D The kinetic energy of the bullet is equal to the kinetic energy of the riffle.Tenaga kinetik peluru qdalah sama dengan tenagq kinetic senapong.


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CONFIDENTIALSULIT 453U18. Diagram 4 shows an object at rest on a rough inclined plane.Raiah 4 menunjukkan satu objek berada pegun di atas permukaan kasar landasancondong

Diagram 4Rajah 4Which veotor diagram represents the forces R, W and F that acts on the object?Manakah di antara berikut menunjukkan daya-daya R, W dan F yang bertindak

lre atss objek itu?

R

A

w


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9. Diagram 5 shows a box of mass 5 kg slides down a smooth curved ramp.Rajah 5 menunjukkan sebuah kotak 5 kg meluncur ke bswah landassn licin.

Diagram 5Rajah 5What is the speed of the box when it reaches the bottom? [ Take 8: l0 m s-2],Berapakah kelajuan kotak itu semasa sampai ke bawah? [ Ambil g = l0 m s'JA 10 ms-lB 20 ms'rC 30 ms'rD 40 ms-rDiagram 6 shows an object of,mass 5 kg suspended by two strings frompoints X and Y.-Rajah 6 menunjukkan satu obiek dengan jisim 5 kg digantung oleh dua talipada dua titik X dan Y.

10,


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CONFIDENTIAL l0 453u1SULITI l. Diagram 7 shows a force-extension graph for a spring which is loaded.

fAssume that the expansion of the spring does not exceed the elasticity limit]Rajah 7 menunjukkan graf daya-pemanjangan bagi satu spring[Andaikan pemanjungan spring tidakmelebihi had kenyalJForce / NDaya / N

Extension /cmPemanjangan /cmDiagram 7Rajah 7

How much elastic potential energy is stored in the spring when its extension is36 cm?Berapaknh tenaga keupayaan kenyal yang disimpan apabila pemanjanganadalah 36 cm?9.6 t2.88 Js.76 J11,52 J

ABcD


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CONFIDENTIAL 11 453IIISULIT12. Diagram 8 shows a glue tube with the glue is coming out through the mouth

and the holes on the tube when pressed.Rajah B menunjukkan gam keluar dari mulutnya dan keluar dari lubang-lubang yang terdapat pada tiub itu setelah dipicit.

Diagram 8Rajah 8What is the principal involved in this situation?Apalrnh prinsip yang terlibat dalam situasi ini?A Pascal's PrinciplePrinsip PascalB Bernoulli'sPrinciplePrinsip BernoulliC Boyle's PrinciplePrinsip BoyleD Archimedes' PrinciPlePrinsip Archimedes


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13. Diagram 9 shows a sucking hook on a glass surface.Rajah 9 menunjukkan penggantung lekat pada permukaan kaca.

Sucking hookPenggantung

GlassCermin

Diagram 9Rajah 9Which of the following explanations is correct?Manaknh di antara penjelasan berikut adalah benar?A The hook is actually pressed on the glass surface by the surroundingatmospheric pressure.Penggantung itu sebenarnya di tekan oleh tekanan atmosfera dari udarasekelilingi.B The opposite electrostatic charges on hook and glass attract each other.Cas elehrostatikyang bertentangan pada penggantung dan cerminmenarik bersama .C There is no friction between the glass and the hook that can cause it tomove.

Tiada geseran diantara cermin dan penggantungyang membolehkannyabergerakD No forces act on the surface of the hook.Tiada dayayang bertindakke atas permukaan penggantung.

t2


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CONFIDENTIALSULIT14. Diagram l0 shows the area of two pistons in a hydraulic brake system.If 50N force applied to the pedal, what is the force exerted on the wheels?Rajah 10 menunjukkan luas dua piston di dalom sistem hidraulik.Jika 50N dikenakan pada pedal, berapaknh daya dikenakan pada roda?

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5 cm2 l0 m'pedal

Diagram 10Rrjah '050Nr00Nl60N2s0N

15. Diagram 1l shows a hot balloon is rising up in the air.Rajah I I menunjukkan sebuah belon udara panas naik ke atas udara.

Diagram 11Rajah I IWhich of the following statements is correct?Manakoh di antara penyataan berikut benar?

A Hot air has a lower density than the surrounding air.

ABcD


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CONFIDENTIAL 4s3utSULIT16 Nowadays football players like to use 'banana kick' technique to change thedirection of the ball. The principle used in banana kick can also be used infollowing instrument lab oratory.Pemain bola sepak masa Hni suka mengguna tendangan tehtik 'banana kick'

untuk mengubah arah pergerakan bola. Prinsip yang digunakan dalam tendangan'banana kick' juga digunakon dalam peralatan malcrnal berikut

A HydrometerHidrometerB Bourdon gaugeTolok Bourdon

Bunsen BurnerPenunu Bunsen

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t7.

D Aneroid BarometerBarometer AneroidDiagram 12 shows an elephant of 5000 kg mass on a wooden platform with anarea of 50 cm' during a circus performance.Rajah 12 menunjukkan seekor gajah berjisim 5000 kg lsatas sebuahpentas dengan luas 50 ,m2 ,r*oro satu pertuniukkan sarHs.


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CONFIDEN'I'IAL 15SULIT18. Diagram 13 shows a barometer mercury.Rajah 13 menunjukkan sebuah barometer merkuri.

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UgCUUm ___-__* a-ffim00mefcury

Diagram 13Rajah l3What is the pressure at X ?Berapakah tekanan pada X ?A 76 crn HgB 84cmHgC 86cmHgD 94cmHg

19. Two objects in contact is said to be in thermal equilibrium ifDua objekyong bersenluhan dikalakan dalam keadaan keseimbangan lermujikaA No hcat transfcr between the objects.Tiada baba perpindahan haba di antara objek.


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CONFIDENTIAL T6 453IIISULTT20 Aluminium has a higher specific heat capacity than copper.When heat is supplied at the same rate to two identioal blocks of aluminium andcopper, which of the following will take place?Aluminium mempunyoi muatan hoba tentu yang tinggi herbanding kuprum.Apabila haba dibekalkan dengan lwdar yang sama kepada dua blok aluminiundan kuprum yang sama, yqng manaksh antara berikut skqn berlaku?

A The aluminium block melts earlier than the copper block.Blok aluminium melebur lebih cepat daripada blok kuprum.B The aluminium block will expand more than the copper block.BIok aluminium mengembang dengan banyal+nya berbanding blok kuprum,C Thc tcmperature rise in the oopper block is higher than aluminium block.Peningkotan suhu dalam kuprum lebih tinggi berbanding blok aluminium.D The temperature rise in the aluminium block is the same as copper block.Peningkntan suhu dalam hlok aluminium adalah sama dengan blok kuprum.

21, A heater rated with power of 2,0 kW takes 10 s to raise the temperature ofa liquid of mass 5009 by 5oC.What is the speoific lieat capacity of the liquid in Jkg-r oC -r?Sebuah pemanas dengan kodar kuasa 2.0kW mengambil masa I0 s untukmeningkatkan suhu sualu cecair berjisim 5009 sebanyak 5 oC. Apakah muatsnhaba tentu cecair tersebut dalam JkEl oC?A 0.8B 8,0C 8x l0'3D 8x 103

22. The pressure of a gas decreases from 2.5 x 10s Pa to 5.4 x 104 Pa at 30 oC.If the volume of the gas is constant, what is the initial temperature of the gas?Tekqnan suatn gas berlarang daripada 2.5 x 105 Pa kepada 5.4 x 104 Pq


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CONFIDENTIALSULIT t7 453vt23. The velocity of light in vacuum is 3 x 108 ms-r.The refractive index of water is 1.30. What is the velocity of light in the water?Halaju cahaya di dalam vakum ialah 3x108 ms-t .

Indelrs biassn bagi air ialah 1.30. Berapakah halaiu cahaya di dalam air?2.11x 108 ms-r2.31 x 108 ms-r3.11x 108 ms-l4.26 x108 ms-r

Diagram 14 shows a ray diagram of a concave mirror.Rajah 14 menunjukkan sebuah cermin cekung.

Which of the following shows the correct relationship between the objectdistance,u and the focal length, flYang manakah menunjukkqn hubungan yang betul di antara jarak objek,u danpanjangfokus, f?A u> fB u=fC u:2fD u*2f

ABCD24.

Diagram 14Rajah 14


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CONFIDENTIALSULIT 4s3ut25. Table I shows three different mediums with its refractive index.Jadual I menunjukkan tiga medium yang mempunyai indel


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CONFIDENTIAL 19 453111SULIT26. A boy stands 2m from a mimol. He sees an upright image two times hisactual height. What is the type of the minor?

Seorang budak lelaki berdiri 2m di depan sebuah cermin. Dia melihat imejnyaduu kali gonda lebih tinggi. Apakah jenis cermin tersebut?A Plane mirrorCermin satah

Concave minorCermin cehmgConvex mirrorCermin cembung

27. An astronomical telescope has two lenses with the focal length of 60 cm andl5 cm. Which of the following is true about the focal lenght of the objectivelens, fo and the eyepiece lens, fu and its magnification, m?

Sebuah teleskop mempunyai duajenis kanta dengan panjangfokus 60 cm danI5 cm masing-masing. Yang manakah menunjukkan panjangfohtskonta oiekf', danpanjangfokus kqnta mata, fe serta pembesqrqnnya dengan betul?

C

l"(cm) f,(cm) mA l5 60 4B l5 60 Y^C 60 15 4D 60 15 Y4


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CONFIDENTIALSULIT 453lll28. Which graph shows the.correct relationship between the wavelength, 1,, andthe frequency,f of water waves in a ripple tank where the depth of water is

constant?Graf yang manakah menunjukkan hubungan yang betul antara panjang gelombang,),, danfrekuensi, f gelombang air dalam tongki riak dengankedalaman air yang seragam?

ofDiagram 15 shows a wave pattem.Rajah 15 menunjukknn satu corak gelombang.

DisplaceruentSesot'an

20

D

29.


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CONFIDENTIALSULIT 453u1

30. Diagram l6 shows plane water waves travelling towards an L-shaped barrier in aripple tank,Rajah I6 menunjukkan gelombang air satah bergerak menuju sebuah halanganyang berbentuk L dalam sebuah tangki riakL-shaped barierHalangan berbennilrL

Diagram 16Rajah I6Which diagram shows the reflected wave pattern?Raj ah m an aka h m e nunj ukknn c o r ak g e I om b an g y an g dip antul kan?

2l

c


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CONFIDENTIAL 22SULIT31. Diagram l7 shows the diffraction of water waves in a ripple tank.Rajah 17 menunjukkan belauan gelombang air dalam tangki riak.

4s3vt

Diagram 17Rajah 17When x decreases, the effect of diffraction willApabila x berlarang, kesan belauan aksnA decreasesberkurangB increasesbertambahC remains the sametidak berubah


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CONFIDENTIALSULIT 23 453Ut

32. Diagram 18 shows a ship in front of a cliff. It produces a loud sound which travelsat a velocity of 330 ms''. An echo is heard 4 seconds later.Rajah 18 m n sebuah tebing. Ia menghasilkanbunyi yang 330 ms-t. Gema kedengaran 4 saatkemudian.

Diagram 18Rajah 18Calculate the distance between the ship and the cliff.Hitung jarak antara lmpal dan tebing.ABcD

82.5 m330.0 m660.0 m1200.0 m


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CONFIDENTIALSULIT33. Diagram 19 shows the displacement-time graph for wave P, Q and R.Rajah 1'9 menunjukkan graf sesardn-masa bagi gelombang P, Q dan R.

Displacement/cru

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sresarIllt6

Diqplacerueutienrsesargn

4

Displace ruenflemsesat'dn

Diagram 19Rajah I9

P

a

R


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CONFIDENTIAL 25 453111SULIT34. Table 2 shows part of electromagnetic waves spectrum.Ja dual 2 m e nunj ukkan s e b ah a gi an ge I o mb an g e I e c t r o m a gn et.

MicrowaveGelombangmikro

Infrared raysSinar inframerah Ultraviolet raysSinar ullruungu X-raysSinar-X Gamma raysSinar GammaTable2Jadual 2

The position of the visible light isKedudukan cahaya nampak adalahA between gamma rays and ultraviolet raysdi antara sinar gamma dan sinar ultraunguB between infrared rays and ultraviolet raysdi antara sinar inframerah dan sinar ultraunguC between microwave and infrared raysdi antara gelombang milcro dan sinar inframerahD between ultraviolet rays and X-raysdi antara sinar ulftaungu dan sinar-X


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CONFIDENTIALSULIT 453ut

35. Diagram 20 shows a circuit consisting of two resistors and a bulb.Rajah 20 menunjukkan satu litar mengandungi dua perintang dan sebuah mentol

Diagram 20Rajah 20When switch S is opened, the reading of the ammeter is 1.5 A.What is the reading of the voltmeter when the switch is closed?Apabila suis S dibuka, bacaan ammeter adalah 1.5 A.Apaknh bacaan voltmeter apabila suis ditutup?A 3VB 6VC 8VD l2V

26

511-


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CONFIDENTIALSULIT 27 453Ut

36. Diagram 2l shows a circuit. When the switch, S is opened and then closed, thereading of the ammeter is Ir and 12 respectively.Raiah 21 menunjukkan satu litar. Apabila suis, S terbuka dan tertutup,bacaanammeter ialah 11 dan 12.

Diagram2lRajah 2I

What the ratio of Ir : lz ?Apalrah nisbah It : Iz ?2I3I

A1B2clD3

sIL 1EIL


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CONFIDENTIALSULIT 28 453llt37. Diagram 22.1 shows a circuit to determine the e.m.f and internal resistanceof a cell.Diagram 22.2 shows the experiment is repeated by using the same cell.

Rajah 22.1 menunjukkan satu litqr untuk menentukan d.g.e danrintangan dalam suatu sel.Rajah 22.2 menunjukkan satu el


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CONFIDENTIAL 453U1SULIT38. An electric bulb is labeled "240V,25W. How much energy is used by the bulb inone minute if the bulb is connected to a 240V power supply?

Satu mentol berlabel "240V, 25W". Berapakah tenagayang digunaknn olehmentol tersebut dalam satu minit jiko ia disambung kepada bekalan kuqsa 240WA 25JB 1500 Jc 6000 JD 14400JWhich of the following V-I graph shows the resistance increasing as the currentrises?Manalroh di antaro berilail graf V-I menunjukkan rintangan bertambah apabilaarus bertambah?

ilB.

29

39.

Fl.

E.


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CONFIDENTIALSULIT 453Ur

40. Diagram 23 shows a square coil rotating at a steady speed in a magnetic field.Rajah 23 menunjukkan legelung segiempat berputar dengan kelajuan seragam didalam medan magnet.

Permanentmagnet

Diagram23Rajah 23

Which of the following graphs shows the fluctuation in the current flowingthrough the lamp starting with the coil being in the horizontal position?Graf manakah menunjukkan perubahan arus yang mengalir melalui mentolbermula dari gegelung berada di dalam keadaan kedudukan mendatar?

Rotated angle

P"otated angle

30

A

B

c

Current

Ctrrrent


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4L Diagram 24 shows a simple transformer with bulb lights up at normal brightness.Rajah 24 menunjukkon sebuah transformer ringkns dengan mento menyala dengankecerahan biasa.

3 V a.c.3 V a.u.

Diagram24Rajah 24

What will happen if the alternaring current, a.c input is replaced by a3 V battery?Apakah yang berlalat jika arus ulangalik diganlikan dengan bateri 3WA The bulb blowsMentol terbakar

The brightness of the bulb decreasesKe cerahan mentol b erkurangThe brightness of the bulb increasesKecerahan mentol bertambahThe bulb does not light upMentol tidakmenyala

3l

C


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CONFIDENTIALSULIT

42. Diagram 25 shows a wire coiled around an iron rod.Rajah 25 menunjukkan dawai gegelung pada satu rod besi.

Diagram 25Rajah 25What is the magnetic polarity at P, Q and R?Apalrah lrelaltuban magnetic P, Q dqn R?

P o RNorthUtarq NeutralNeutral NorthUtaraSouth

SelatanNeutralNeutral SouthSelatanNorthUtarq SouthSelatan NorthUtara

SouthSelatan

NorthUtara SouthSelatan

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D


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43. Diagram 26 shows a coil of wire placed next to a magnet.The galvanometer pointer deflects when the magnet is pushed into the coil.Rajah 26 menunjukkan gegelung dawai bcyada di sebelah satu magnet.Jarum galvanonteter itu terpesong apabila magnel itu di tolak kea rah gegelung.

Diagran26Rajah 26Which action will increase the deflection of the galvanometer pointer?Apakah tindakan yang akan meningkatkan pesongqn jarum galvanometer?A The magnetic pole is reversed

Kekutub an magnet di terb alikkan.B The number of turns ol'coils is increased

B ilangan lilitan ge gelung ditamb ah.C The coil is made from insulated wire,

Gegelung dibual daripoda dawai bertebal.D The magnet is pushed slowly into the coil.

Magnet itu dilolak secara perlahan ke dalam gegelung.

JJ


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CONFIDENTIALSULIT 453llt

44, Diagam 27 shows a graph of the output current from a source of alternatingcunent supply.Rajah 27 menunjukkan graf arus output duripada satu bekalan arus ulangalik.

Diagram2TRajah 27Which statement about this output current is true,Pernyataan manakah yang benar berkenaan arus output?A The peak current is 10 A,Aruspuncakialoh I0AB The magnitude of current is always constant.Magnitud arus sentiasr malar.C The period of the altemating current is 0.02 s.

Tempoh arus ulangalik itu ialah 0.02 s.D The frequency of the alternating current is25 HzFrekuensi arus ulangalik ialah 25 Hz

34

l/A


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CONFIDENTIALSULIT 4s3ul

45. Diagram 28 shows the primary coil of a transformer is connected to a240 V a.c.supply and an output voltage of 12V is produced.Rajah 28 menunjukkan gegelung primer sebuah transformer disambung kebelalan 240V a.u danvoltan output l2V dihasilkan.

240V l2V ,24 W BulbI2V, 24 W Mentol401/'\,

Diagram 28Rajah 28What is the ratio of the number of tums in the secondary coil, Ns to the numberof turns in the primary coil, Np?Apakah nisbah bilangan lilitan gegelung sekunder Ns kepada bilangan lilitangegelung primer Np ?

A 40:2B 4:45C l:20D 2:40

35


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CONFIDENTIAL 36SULIT46. Diagram 29 shows a full wave rectifier circuit.Rajah 29 menunjukkan litar rektifikasi gelombang penuh.

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Diagrarn29Rajah 29Suggest a modification that has to be done to the circuit in Diagram 29 to obtaina smoothened full wave rectification ?Cadangkan satu modifikasi yang perlu lakukan pada litar di Raiah 29 untukmemperolehi reHifikasi gelombang penuh yang licin?A Add a transformer parallel to RTambah sebuah transformer selari dengan RB Add a transistor parallel to RTambah sebuah transistor selari dengan RC Add an induotor parallel to R


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CONFIDENTIALSULIT 4s3r/r

47. Diagram 30 shows combination of two logic gates circuit.Rajah 30 menunjukkon litar kombinasi bagi dua get logik.

Diagram 30Rajah 30If P and Q are inputs and R is output, which of the following truth table is correctfbr the circuit in diagram,Iika P dan Q input dan R output, manakah Jadual kebenaran yang berikut betulbagi litar pada Rajah

48. Which of the following nuclide notation is correct for a nuclide X has29protons and 5 neutrons ?Yang manakahsymbol nuklidbetulbaginuklid Xyang mempurryai 29 proton dan 5neutron?A. t?xB "3x

37

AP O R0 0 0I 0 00 I 01 I I

BP o R0 0 II 0 00 I II I 0

CP o R0 0 0

0 00 I I

I I

DP o R0 0 I

0 I0I I


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CONFIDENTIALSULIT 453lll

49. The process of splitting a heavier nucleus into lighter nuclei by released of a largeamount of energy is called iProses yang membelah nukleus berat kzpada nucleus yang ringan sertamenghasilknn tenagayang besar di panggilA Nuclear FusionPelakuran nucleusB Nuclear FissionPembelahan nucleusC Radioactive Decay

Reputan RadioaktifD Half lifeSeparuh hayat

50. In a nuclear fission, about 0.05 a.m.u. is lost. How much energy is given out ?Dalam suatu pembelahan 5 uj.a hilang. Berapakah tenaga terhasil ?[Given 1a.m.u.:1.66x 1 c=3,0x l08ms-l]fDiberi I uj.a.:1.66x I c:3.0 xl08ms-|JA 4.50 x 10'1e JB 7.47 x 10-12 Jc 8.31 x 10'20 JD 9.06 x lo-27J

END OF PAPER

38



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453t I 2PhysicsPaper 2August20tt2 Yzhours Form:

MAJLIS PENGETUA SEKOLAH MENENGAH MALAYSIACAWANGAN NEGERI SEMBILANPEPERIKSAAN PERCUBAAN BERSAMASIJIL PELAJARAN MALAYSIA 2OI1

PHYSTCS (FrzrK)Paper 2 (Kerlas 2)Two hours and thirty minutes ( Dua jam tiga puluh minit)JANGAN BUKA KERTAS SOALAN

1. Tuliskan nama dan kelasanda pada ruang yang disediakan.

2. Kertas soalsn ini adalah dalamdwibahasa.Soalan dalqm Bahasa Inggerismendahului soalan yang sepadandqlam dalam Bahqsa Melayu.Calon dibenarkan menj awabkes eluruhan atau s ebahagian s oalansama ada dalam Bahasa Inggerisatau BahasaMelayu.Calon dikehendaki memb aca

INI SEHINGGA DIBERITAHU

aJ.

4.

5.

KodPemeriksaBahagian Soalan MarknhPenuh MarkahDiperoleh

A

1 42 5aJ 64 75 8

6 87 108 t2I 20

CONFIDENTIALSULIT 2 453v2


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INFORMATION F'OR CANDIDATES1. This question paper consists of three sections: Section A, Section B and

Section C.2. Answer all questions in Section A. Write your answers for Section A in thespaces provided in the question paper.3. Answer one question in Section B and one question from Section C. Writeyour answers for Section B and Section C on the line pages provided at the endof this question paper. Answer questions in Section B and Section C in detaii.Answers should be clear and logical. Equations, diagrams, tables, graphs andother suitable methods can be used to explain your answer.4. If you wish to cancel any answer, neatly cross out the answer.5. The diagrams in the questions provided are not drawn to scale unless stated.6. The marks allocated for each question and sub-section of a question are shownin brackets.7. A list of formulae is provided on page 5.

8. You may use a non-programmable scientific calculator. However, steps incalculation must be shown.9. The time suggested to complete Section A is 90 minutes, Section B is 30minutes and Section C is 30 minutes.10, Hand in all your answer sheets at the end of the examination.



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MAKLUMAT ANTUK CALONL Kertas soalan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan

Bahagaian C.2. Jawab semus soalan dalam Bahagian A. Jawapan kepada Bahagian Ahendaklah ditulis dalam ruang yang disediakan dalam kertas soalan3. Jawab satu soalan daripada Bahaginn B dan satu soalan daripada BuhagianC. Jawapan kepada Bahagian B dan Bahagian C hendaklah ditulis dalamruong bergaris yang clisediakan cli bahagian akhir kertas soalan inti. Andadiminta menjawab dengan lebih terperinci untuk Bahagian B dan Bahagian C.Jcwapan mestialh jelos dan logik. Persamaen, gambar rajah, jadual, graf dancara lain yang sesuqi untuk ntenjelaskan jawapan anda boleh digunakan.4. Sekiranya qnda hendak membatalkan sesuotu jawapan, buat garisan di atasjautapan ittt.5. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan.6. Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkandalam kurungan di hujung setiap soalan atau ceraian soalan.7. Satu senarai rumus disediakan di halantan 5.8. Anda dibenarkan menggunakan kalkulator saintiJik yang tidak bolehdiprogram. Walau bagaimanapun, Iangkah mengira perlu ditunjukkan.9. Masa yang dicadangkan untuk menjawab Bahagian A ial(th 90 minit.Bahagian B ialah 30 minit dan Bahagaisn C aialah 30 minit.

10. Ikatkan semua kertas jawapan dan serahkan di akhir peperilaaan.

CONFIDENTIALSULIT4 453v2


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BI}INK PAGE(HALAMAN KOSONG)



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I v-uu- t 15. Power. P - energY' time2. v2 =Lt2 +2as t6. 111 If uvJ. s =Ltt +!of

217. ^ax

D4. Momentum = zy 18. sln th-- sln r5. F =ma 19. n: real depthapparent depth6.

.1Klnetrc energv = -mv22 20. Q=It

7. Gravitational potential energy = mgh 21. V=IR8. Elastic potential energy = ! ,,2 22. Power, P =VI9. mp=v zJ. No =voN" V,10. Pressure, P = hpg 24. Efficiencv = v, I, xrooyo" VoI,11. Pressure, o-FA 25. g=10ms-212. Heat, Q = mcq 26. r2.L=mc13, PV constant 27 Linear magnification, vm=-

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

CONFIDENTIALSULIT 6 4s3U2


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1.

Section ABahagian A[60 marks]

160 markahlAnswer all questions in this section.Jawab semua soalan dalam bahagian ini.

Diagram 1.1 shows a morcury thermometer.Rajah L1 menunjukkan satu termometer merkuri.

Diagram 1.1Rajuh 1.1

(a) Complete the sentence below by ticking ( r' ) the correct box.Lengkapkan ayat di bqwah dengan menandqkan (./) dalam kotakyang betul.Thermometer is used to measure



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(b) Complete the following sentence by underlining the correct phrase inthe bracket.Lengkapknn ayat berilat dengan menggariskanfrasa yang betul didalam lurungan.

smaller bulbbebuli kecil

larger bulbbebuli besar

Diagram 1.2Rajalt 1.2The thermometer with smaller bulb in Diagram 1.2 is( more sensitive, less sensitive ) than thermometer with larger bulb.Termometer dengan bebuli yang kecil dalqm Rajah 1.2( lebih peka, kurang peka ) berbanding termometer dengan bebuli besar.Il mark]ll markahl(c) State the physical change in the mercury when the temperature increases.Nyatakan perubahan sifat fizikal pada merkuri apabila s'uhu bertambah.

Ii mark]ll markahlGive one reason, why mercury is used in the thermometer?Berikan satu sebab, mengapa merkuri digunakan dalam termometerilu?

Ilmatk]

(d)

CONFIDENTIALSULIT453112


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Diagram 2 shows a path of light ray being refracted in liquid P.Rajah menunjukknn lintasan sinar cahaya dibiaskon kedalam cecair P.

quid

(a) What is meant by refractive index.Apakah yang dimaksudkon dengan indelrs biasan?

LiP

[1 mark]ll markahl(b) Determine the refractive angle in liquid P.

Tentuknn sudut biasan dalam cecair P.

Calculate the refractive index for liquid P.Hitung indeks biasan bagi cecair P.

(c)[1 mark]ll markahl

Diagram 2Rojah 2

CONFIDENTIALSULIT 453r/2


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3. Diagram 3 shows a logic gate used as a switch for a cooler in a manufacturingmachine in a faotory. The cooler only switched on during working hours(day time) and hot temperature (more than24uC)Rajah 3 menunjukkansebuah get logik diguna untuk menghidupkan sebuahpenyejuk dalam mesin pengeluar pada sebuah kilang. Penyejuk itudih-idupkan semasawahukerja (sianghari) dan suhu panas (ebihdari240q.

Q-->

(a)

-rBelow / bawah 24oC -----+ logic 0P -----+ temperature {suhu -'-. Above llebih 24oC->

logic I,-pDay time / waktu siang ------+ logic 0lightcahaya \ ttigtrt lmalam -+ logic I

Based on the above description,Berasaskan penerangon di atos(i) complete the truth table.

Lengkapkan jadual kebenaran berikut.Innut Outnut

P 0 R0 0I 00 1I I

[1 mark]I markah)3(aXi)

CONFIDENTIALSULIT 453U2l0


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(b) What is the modification that can be done on the circuit Diagram 3 sothat the cooler will be switched on in the dark and off during daytime?Apakah modifikasi kila boleh buat di litar pada Rojah 3 supayapenyejuk itu dapat berfungsi semasa gelop dan tutup semasa siang ?I mark][1 markah]

If the cooler is to be off at night with temperature less than 240C, whatis your suggestion of improvement to the circuit on Diagram 3? Drawthe complete circuit.Jika penyej malam yangsuhunyaku nandauntukpengubahsuaian litar pada Rajah 3? Lukiskan litar itu denganlengkap.

[2 marks][2 markah]

(c)

CONFIDENTIALSULIT 4531121l


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Diagram 4 shows the arrangement of apparatus to determine the wavelength ofmonochromatic light. A fringe pattern is formed on the translucent screen. Thedistance between the two slits Sr and 52 is x mm and the distance from thescreen with double slits screen is D m.Rajah 4 menunjukkan susunon alat rqdas untuk mencari panjang gelombangcohaya monolvomatik. Corak jalur terhasil pada sl{rin legap. Jarak antara 2celah St dan Sz ialah x mm dan jarak antara skrin dan dwicelah ialah D mm.

shield translucent screell.sl;rirz legap

single slit.sctttt c:elqltclouble slitdwicelqltS'9

soclium laurtr'rlantpu nalriurrtDiagram 4Rajah 4

(a) What is meant by monochromatic light?Apakah yang dimaksudkan dengan cahaya monolcromqtik?[ 1 mark]lI markahl(i) Describe the fringe pattem which can be observed on the screen.Terangkan corak jalur yang dapat diperhatikan pada skrin.I l mark]I t markahl

(b)

CONFIDENTIALSULIT 453r/2t2


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(c) What happens to the pattem ofthe fringes whenApakahyang terjadi kepada corakjalur apabila(i) distance between Sr and 52 increases:jarakdiantoraSt dan Sz bertambah:(iD D decreases:D berkurangan:

[ 2 marks]12 marknhl

(d) If D: 3m,a:0.5 mm and the distance between four fringes is 12 mm,calculate the wavolength of the light wave formed on the screen.Jika D : 3 nt, a : 0.5 mm dan jarak antard empat jalur ialah I2 mm,kira panjang gelombang bagi gelombang cahaya yang dipaparpada skrin.

[ 2 marks]12 markah)



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5. (a) A bar magnet is dropped through a coil of wire as shown in Diagram 5Sebatangmagnet di jatuhkanke dalam gegelung dawai seperti dalam Rajah 5.

GalvanometerGalvanometer

is iDiagram 5.1Rajuh 5.1 iN Diagram 5.2Rajah 5.2

The direction of induced current in the coil can be determined by usingLenz's law.Arah arus aruhan di dalam gegelung boleh ditentukqn denganmenggunakan Httkum Lenz.State Lenz's law.Nyatakan Hukum Lenz

(')

CONFIDENTIALSULIT 453u2t4


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(b) Based on Diagram 5.1 and Diagram 5.2,what can be observed whenthe magnet bar dropped through the coil?Berdasarkan Rajah 5.1 dan Rojah 5.2, apakahyang diperhatikanApabila mdgnet itu jatuh ke dalam gegelung?

[2 marks][2 markahl(c) Based on Diagram 5.1 and Diagram 5.2, compareNyatakan dua perbezaan di antara(0 number of turns of coil

b il angan I il it an ge gelung

angle of deflection of galvanometersudut pe songan galvanometer

[2 marks][2 markah]State the relationship between the number of tums of coil andangle of deflection of the galvanometer.

Nyatakon hubungan di antara bilangan lilitan gegelung dansudut pesongan galvanometer .

I mark]ll markahl(e) State two other ways to increase the angle of deflectionof galvanometer.Nyatakan dua cara loin untuk meningkatkan sudut pesongangalvanometer.l.2.......

[2 marks]

(ii)

(d)

CONFIDENTIALSULIT 453112Diagram 6.1 and Diagram 6.2 shows the deflection of a radioactive emission

t5


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Radioactivdsource

in an electric field.Rajah 6.1 dan Rajah 6.2 menunjukkan pesongan satu sinaran radioaVif didalam suatu medan elektrik.

T

Metal platePlat logam

Radioactive emission Diagram 6.1Rajah 6.1

EHTVLT5000 vRadioactive sourceSumberradioaktif

(a)

Diagram 6.2Rajah 6.2What is the meaning of radioactivity ?Apaknh maksud keradioaktifan ?

[1 mark][1 markah]Observe Diagram 6.1 and Diagram 6.2Perhatikan Rajah 6.1 dan Rajah 6.2(D state the type radioactive emission and its charge.

nyatakan jenis sinaran radioaktif dan casnya.

(iD compare the voltage ofthe EHTbandingkan voltan VLT

(b)

[2 marks][ 2markah]

6(bxi)

CONFIDENTIALSULIT 453U2c) State the relationship between

16


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6(cXi)

6(cXii)

6(d)

Ny at akan hubungan ant ar a

(i) the voltage of the EHT and the strength of the electric fieldbetween the plates,voltan VLT dengan kekuotan medan elektrik di antara plat,

(ii)

[1 mark][1 markah]

the strength of the electric field between the plates anddeflection of the radioactive emission.Kekuatan medan elektrik di antara plat dengan pesonganpancardn radioaktif,

I mark][1 markah]d) 7000 atoms of a 28000 atom a sample left after 12 hours. What is thehalf-life, T172 of the sample?

7 000 atom dari 28000 atom pada suatu sampel tinggal selepas 12jam.Apakah separuh hayat, T1p sample itu ?

[1 mark][1 markah]

CONFIDENTIAL 17 453T12SULIT7 Figure 7,1 shows a circuit consisting of 3 identical resistors K , L, M and two


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measuring instruments R and S.Rajah 7.I menunjukkan satu litar yqng mengandungi 3 perintang yang serupaK, L, M dan alat pengukur R dan S.

(a)

(b)

R.s..

(i)(ii)

Diagram 7.1Rajah 7.1Name the measuring instruments,Namakan al at - al at p en gukur,

[2 mark]l2markahlWhen an identical resistor is corurected parallel to resistor M, whathappens to the reading of R and S?Apabila satu lagi perintang yang serupo disambung selari kepadaperintang M, apakah berlaku kepada bacaan R dan S?(D R............,..(ii) s.............

[2 marks]12 markahl

CONFIDENTIALSULIT(ii)

18 4s3v2Reason for (b)(ii):


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7(c)(ii)

7(dxi)

7(dxii)

Sebab bagi (b)(ii):

[2 marks]12 markahl

(d) The resistors K, L and M are replaced by three identical bulb X, Y andZ as shown in Figure 7.2Perintong-perintang K, L dan M kemudian diganti dengan tiga mentolyqng serupa X, Y dan Z seperti dalam Rajah 7.2.

Diagram 7.2Rajah 7.2Compare the brightness between the bulbBandingkan kecerahan di antara mentol-mentolXandYXdanY

[1 mark]ll markahlY andZYdanZ

(i)

CONFIDENTIALSULIT8 Table 8.1 sl19 453U2

Table 8.1 shows three types of remote control toy car and their characteristics.


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Jadual 8.1 menunjukkan tiga jenis kereta mainan kawalan jauh dan ciri-cirinya.

Types oftoy carJenis kereta mainanTyre diametreDiametertayar MassJisim

Voltage of batteryusedVoltan bateri yangdisunakan

Toy car A I Kereta mainqn A

4.0 cm 1.3 kg 9.0 v

Toy car B I Kereta mainan B

4.0 cm 2.5 kg 9.0 v

Toy car C I Kereta mainan C

4.0 cm 1,.7 kg 9.0 v

Table 8.1Jadual8.l



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8(a)(ii)

Give one reason for the answer in 8a(i) and state therelationship between the reason and physics concept involved.Berikan satu sebab kepada jawapan di 8a(i) dan nyatakanhubungan di antqra sebab dan konsep fizik yang terlibat.

[2 mark ]| 2 markahl

Diagram 8.2 shows, Sarah is pushing a 5.0 kg box with differencefolces on threetypeofroughsurfaceofwoodenplane, P, Q and R,Rajah 8.2 menunjukkan Sarah sedang menolqk kotak 5.A kg dengandaya-daya yang berbeza di atas permukaan kasar satah kayu, P, Q,dan R.

Diagram 8.2Rajah 8.2Table 8.2 shows the magnitude accelerations, a and force applied, Fto push the box on each sulface of wooden plane .

(ii)

(b)

F

hoxkofakII

Et frictionwooden plane

CONFIDENTIALSULIT 2tWhat is the meaning of frictional force?

453U2

(i)


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Apakah yang dimaksudkan dengan daya geseran?

I l mark]I I markahl(c) Calculate the friction force of each surface of wooden plane.Hitung daya geseran untuk setiap permukaan satah leayu.(i) wooden plane Asatah kayu A

[2 marks ]12 markahl(ii) wooden planesatah kayu B

Ilmukl]lI markahl(iii) wooden planesatahkayu C

8(bxi)

8(cXi)

8(c)(ii)

8(c)(iii)

CONFIDENTIAL )) 453U2SIJLIT(d) Determine the most suitable surface of wooden plane to build a slide atplaygrounds.


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children's Give a reason.Tentukan permukaan satah yang paling sesuai untuk membina gelongsor ditaman permainan kanak-l(nnafr. Berikan satu sebab.

[ 2 marks ][2 markah]State two modifications that can be done to reduce the friction of the slide.e)

[2 marks ]12 markahl

CONFIDENTIALSULIT 23SECTION BBahagian B

453U2


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[ 20 marks ]120 markahlAnswer any one question.Jawah mana-tnana sntu soalan.9 Figure 9.1 shows two test tubes containing aluminium dust and copper dust ofthe sarne mass but having different specific heat capacity . Both the test tubesare heated with the same rate fbr a same period of time.Rajah 9.1 ntenunjnkkan dua tabung uji mengandungi serbuk aluminium dan

serbuk kuprum yang samct jisim tetapi mempunyai mualan haba tentu yangberbeza. Kedua- dua tabung uji dipanaskan dengon kadar yang sama untuktempoh maso ycng sama.Thermometer

Copper DustAluminium DusSerbuk Aluminium

Bunsen Burner.

Figure 9.1Raish 9.1Table 9.2 shows some important data for aluminium and copper dust.Jadual 9,2 menunjukkan beberapa data penting berkenaan serbuk altminium

CONFIDENTIALSULIT 4s3r12(a) (i) What is meant by specific heat capacity ?Apakah yang dimaksudkan dengan muatan haba tentu?

24


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[1mark]I I markahl(ii) Using the information given in Table 9.2, compare thetemperature rise and the specific hcat capacity of aluminiumand copper dust.Dengan menggunakan maklumat yang diberikan dalam Jaduql9.2, bandingkan suhu dan muatan haba lentu bagi serbuk aluminiuntdan kuprunt.

Relate the amount of heat supplied with the temperature rise foraluminium and copper dust. Hence state the relationship betweenspecific heat capacity and the amount of heat required for the sametemperature rise of a substance.Hubungkui t kan j umlah hah a yang dib ekalkan dengan p eningkat ansuhu oleh serbuk aluminiunt dan kuprum. Seterusnya nyatakanhubungan ontara muatan habq tentu clan jumlah haba yang diperlukanttntuk peningkatan suhu yang serupu rsleh sesualu bahan.f 5 marks| 5 narkah

(b) Explain why the body of a cooking pot is made of good heatconductor r,vhereas the handle of the pot is made of poor heatconductor.Terangknn mengapakah periuk memasak diperbuat daripadakonduktor haba yang baik sementara pemegangnya diperbuatdaripada konduktor haba yang lemah.

[ 4 marks| 4 markah

CONFIDENTIALSULIT453v2

(c) A family is having a picnic at Port Dickson beach. An open aluminium25


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container with some ice cubes is used to cool the packet drinks as shown inthe Figure 9.2.Sebuah keluarg sedang berkelah di pantai Port Diclaon. Sebuah bekasaluminium yang terbuka dengan beberapa ketulan ais digunakan untukmenyejukkan minumqn dalam kotak seperti Raiah 9.2.

FIGURE 9.2RAJAH 9.2Use appropriate concepts in physics, explain the modifications required to theabove aluminium container so as to effectivelyDengan menggunakan konsep fizik yang bersesuaiqn, terangkanpengubahsuaian yang diperlukan kepada bekas aluminium supaya berfungsidenganlebih berkesan untuk(a) cool packet drinks in a shorter time.

menyejuk kotak minuman dalam tempoh yang singkat.(b) keep the packet drinks remain cold for a longer period.memastikan kotak minuman kekal seiuk untuk tempoh yang lama,

[ 10 marks ]I l)markah ]


10. Diagram l0.l and Diagram 10.2 show a ray of light passing into crystal and26


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diamond respectively.Raiah I0.I dan 10.2 masing-masing menunjukknn satu sinar cahrya melaluilvistaldan intan.

Crystal

Diagram 10.1Rajah 10.1 Diagram 10.2Rajah 10.1(a)

(b)

(i) What is the meaning of refraction?Apakah mal


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Sunlighthayamatahari SunlightCahayamatahari

tanktangki

Diagram 10.3Rajah 10.3Using appropriate physics concep! explain the modification that canbe used to make a solar tank more efficient.Your answer should include the following aspects:Menggunkan konsep fizik yang se suai, terangkan pengubalsuaianyang boleh digunakan untuk membuat tangki solar yang lebih efisyen.Jaw ap an anda he ndakl ah m e r anglatm i a sp e k- a sp e k y ang b e ri kut :(i) Type of mirror

Jenis cermin(iD Radius of curvature

Jejari kelenghtngan(iiD Colour of the tank wallWarna dinding tangki

milTorcerTnln

CONFIDENTIALSULIT 28SECTION CBahagian C

4531/2


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[ 20 marks ][ 20 markah]Answer any one question.Jawab mdna-mana satu soalan.11. Bunsen burner is one of the important apparatus in science laboratories to doany heating experiment.

Penunu Bunsen merupakan salah satu alat pemanas yang penting dalammakrnal sains.

(a)

Diagram 11.1Rajah 11.1State the principle involved in the use of bunsenburner .Nyatakan prinsip yang digynakan dalam penunu Bunsen.

[1 mark][1 markahJWith the help of diagram I1.1, explain how a bunsen burner functions.Dengan bantuan Rajah I I . I,huraikan bagaimana satu penunuBunsen berfungsi.

[4 marks][4 markahJAt National Water Rocket competition, the winner is supposed todesign a water rocket which can be launched to a higher altitude,further distance and take the longest time to land.

(b)

(c)

CONFIDENTIALSULIT 29 453112Anda clitugaskan untuk mengkaji ciri-ciri roket yang ditunjukkandalam rajah I1.2 dan menentukan roket air yang paling sesuai


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tligunaknn dalam pertandingan ini. Beri sebab untuk pilihan andaP

Bicycle puPam 4vrstkaJ

l4loodensls.")rl

Plastic bottleBotalWater

a

T)I\

Bicycle pumPr:rn bosfkaj

Bicycle pum6roarn "basirkaJ

QIT

Flaltit lrotfleBolofFin$fuynlr

tt'aterair

lVo o cl eu :;ta-trclIapak kal'u

Bicycle pump,od,w AesttnJ oodar r4arrd

i*rP'ak kaYrrI

*ulirui i

Fin lpiastikoto

Plastic bottleBotol plastik

Plastic bo*le

CONFIDENTIALSULIT 4s3U2(d) Weight of the object in air and in water are shown in Diagram I1.3.Berat suatu objek di udara dandi dalam air ditunjukkan dalam Rajah30


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I 1.3.

7N

Diagram 11.3Rajah 11.3Calculate the(i)

(ii)(iii)

weight of water displaced,berat air yang tersesarvolume of the objectIsipadu objek itudensity of the objectKetumpatan objek itu.

[5 marks][5 markah]


12. Diagram 12 shows a bulb labeled I2Y,24W is connected to the output of31


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a step-down transformer . The efficiency of the transformer is 40Yo.Rajah l2 menunjukkan sebuah mentol berlabel I2V, 24W disambung kepadaoulput sebuah transformer. Kecekapan transformer itu ialah 40%.CoreTeras

bulb12V,241Wmentol

Primary coilGegelungprimer

(iD

(iiD

CalculateHitungknn

Secondary coilGegelungsel;under

(a)

(b)

(i)Diagtarn 12R4iah 12

What is a step-down transformer?.Apakah transformer injak turun?[1 mark]l1 markah)

What is the meaning of I2V,24W labeled on the bulb?Apokah dimal$udkan dengan label I2V, 24W pada mentol?

[1 mark]l1 markahlExplain the working principle of the transformer.Terangkan prinsip kerja transformer itu.

[4 marks]14 markahl

(i) the the coil

CONFIDENTIALSULIT

(c) You are advised investigate the

32 453U2


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to design and characteristics of fourtransfbrmers shown in Table 12.Anda clitugaskan untuk mengkaji rekabentuk dan ciri-ciri bagiempat lransformer seperli ditunjukkan pacla ,Iadual I2.TransformerTrasnformer

Types ofwireJenis dawai

Type ofcoreJenis teras

Design of thecoreReka bentukteras

Method of Winding the coilKueduh Lilitan gegelung

P copperKuprunt Soft ironBesi lembut LarninatedBerlamina Winding of the secondary coil atthe side of the primary coilLilitan gegelung sekunder dis ebelah seseluns nrimera nichromenilcrom SteelKeluli SolidPadat Winding of the secondary coil atthe side of the primary coilLililan gegelung sekunder disebelah ge selung DrimerT)T\ copperKuprum Soft ironBesi lembut LaminatedBerlamina Winding the secondary coii on topof the prirnary coilLilitan gegelung sekunder di atasgegelung primer

S copperKuprum SteelKeluli SolidPadat Winding the secondary coil on topof the primary coilLilitan gegelung sekunder dt atasseseluns orimer

Table 12Jadual 12Explain the suitability of each characteristic of the transformer anddetermine which transformer has the highest efficiency.Give reasons lor your ohoice.Terangkan kesesuaian seliap ciri transformer itrt dan tentukanh"ansformer yang mempunyai kecekapan paling linggi,Beri sebab bagijawapan anda.

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Nama: .........Tingkatan : ,.....4s3t I 3PHYSICSKertas 3

Ogos 2011lYz jamMAJLIS PENGETUA SEKOLAH MENENGAH MALAYSIA

CAWANGAN NEGERI SEMBILANPEPERIKSAAN PERCUBAAN BERSAMASIJIL PELAJARAN MALAYSIA 2011

PHYSICS (FIZIK)Paper 3 (Kertas 3)

One hour and thirty minutes (Satu jam tiga puluh minit)

I2.

3.

4

JANGAN BAKA KERTAS SOAI}IN INI SEHINGGA DIBERITAHU

Tulis numa dan tingkatan anrJapada ruangan yang disediakan.Kertas soqlan ini adalah dalamdwibahasa,Soalan dalam bahasa Inggerismendahului soalan yang sepadandalam bahasa Melayu.C al.on di b e narkan m e nj aw abke seluruhan alau sebahagian so alansama ada dalam bahqsa Inggerisatau bahasa Melayu.

Untuk Ke gunaan PemeriksaBahagian Soalan MarkahPenuh

MarkahDiperoleh

Ai 16

2 t23 t2

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INFORMATION FOR CANDIDATESMAKLAMAT ANTAK CALON1. This question paper consists of two sections: Section A and Section B.Kertas soalqn ini mengandungi dua bahagian: Bahagian A dan Bahagian B.2. Answer all questions in Section A. Write your answer fbr Section A in the space

provided in this question paper.Jqwab semua soalan dalqm Bahagian A. Jawapan anda bagi Bahagian Ahendaklah ditulis pada ruang yang disediakqn dalam kertas soalan ini.

3. Answer one question in Section B. Write your answers for Section B in a separateanswer sheet. You may use equations, diagrams, tables, graphs and other suitablemethods to explain your answers.Jqwab salu soalan daripada Bahagian B. Tulis jawapan anda pada helaiantambahqn. Anda boleh menggunakan persqmaan, rajah, jadual, graf dan cara lqinyqng sesuai untuk menjelaskan jawapan anda.

4. Show your working. It may help you to get marks.Tunjukkan kerja mengira. Ini membantu anda mendapatkan marknh.5. The diagrams in the questions are not drawn to scale unless stated.

Rajah yang mengiringi soalan tidak dilukis mengikut sknla kecuali dinyatakan.6. If you wish to change your answer, cross out the answer that you have done. Thenwrite down the new answer.Jika anda hendqk menukar jawapqn, batalkan jawapan yang telah dibuat.

Kemudian tulis jawapan yang baru.7. You may use a non-programmable scientific calculator.

Anda dibenarkan menggunakan kalkulator saintifikyang tidak bolehdiprogramkan.8, You are advised to spend 60 minutes to answer question in Section A and 30

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HALAMAN KOSONG

SULIT 4Section ABahagian A

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[ 28 marks ][28 markah]

Answer all questions in this section.Jmuab semua soalan dalam bahagian ini.

A student carries out an experiment to investigate the relationship between thepower of the lens, P and the image distance, v of a convex lens. The sfudent use alens with power 25 D and focus a tree outside the laboratory. The position of thescreen is adjusted until sharp image is formed on the screen.The image distance, vrneasured and is recorded.Diagram 1.1 shows the arrangement of apparatus for the experiment.Seorang murid menjalanknn elrsperimen untuk mengkaji hubungan antara kuasakanta, P dengan jarak imej, v, bagi kanta cembung. Murid itu ntenggunakan kantsberkuasa 25 D danfokuskan sebuah pokok di luar makmal. Kedudukan skrindilarasknn sehingga imej tajam diperolehi pada slcrin. Jarak imej, v dicatatknn.Rajah 1.1 menunjukkan susunan radas bagi elaperimen tersebut.

Diagram 1.1Rajah 1.1The experirnent is repeated lens with different power, P : 20 D, 15 D, 10 D and

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Diagram 1.2Rajah 1.2

P:25Dv=

P=20Dv=

P:v= 15D


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1(aXi)

Convor lensKmtta cetnbung

P=10Dv=

12 34


P:5 Dv:

567 8 9 l0' t2 t3 14 15 t6 tj 18 t9 20 ZlDiagram 1.6

Rajah 1.6(a) For the experiment described, identify:

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(iii) The constant variableP e mb olehub ah dimqlarkanI I markI I marknh

(b) Based on Diagram 1 .2, 1 .3 , 1 .4, 1 .5 and l .6, tabulate your results for all valuesof lens power, P and coresponding image distance, v in the space below.BerdasarkanRajah 1.2, 1.3, L4, 1.5 dan 1.6, jadualknnkeputusanandabagisemuo nilqi kuasa kanta, P, dan jarak ime j v yang sepadan.

[5 marksl5 markah(c) On the graph paper, draw a graph v against P

Pqda kzrtas graf, lukis graf v melawan P. [6 marks16 marknh

(d) Based on your graph in 1(c), state the relationship between v and P.Berdasarkan pada graf I (c), nyatakan hubungan di qnlara v dan P.

1(aXiii)

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Graph v aginst PGrafv melawan P

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A student carries out an experiment to investigate the relationship between thespeed of water wave, v and the distance between two consecutive bright bands, x,on the screen using a ripple tank. The results of the experiment are shown in thegraph of v against x as shown in Diagram 2.I .Seorang pelaiar menjalankan satu eksperimen untuk mengkoji hubungan antaralaju gelombang air, v dan jarak antaro dua jalur cerah berturutan, x, poda skrindengan menggunakan sebuah tangki riak, Keputusan eltsperitnen ini dilunjukkanpada graf v melawan x pada Rajah 2.1.(a) Based on the graph in Diagram 2.1,Berdasarkan grafpada Rajah 2.1,

(i) state the relationship between y and x.nyatakan hubungan anluru v rlan x.

(ii) determine the value ofr when the speed of the water wave, y:4.0 cms-lShow on the graph how you determine the value.Tentukan nilai x, apabila laiu gelombang air, v : 4.0 cmr-|.Tunjukkan pada graf bagaimana anda menentukan nilai ini.

I l mark]| | markah l

[2 marks12 markah(b) (i) Caloulate the gradient of the graph, k.

Show on the graph how you calculate ft.Hitungkan kecerunan graf, k.Tunjukkan pada graf bagaimana anda menghitttng k.

2(a)(i)

2(a)(ii)

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(ii) The gradient of the graph, /c is related to a physical quantity, P by thefollowing formula:Kecerunan graf, k dihubungkaitkan dengan kuantitifizik, P olehformula:k =0.1PCalculate the value of P.Hitung nilai P.

P-[ 2 marks ]12 markahl

(c) The time taken, / for the waves to travel a distance, x, is given by formula:Masa, t, yang diambil oleh gelombang untuk merambat jauh, x, diberi olehformulo:

Calculate time, /.Hitungkan mosa, t.

t-[2 marks ]12 markahl

(d) State fwo other factors that can increase distance between two consecutivebright bands, xNyatakan dua foktor lain yang boleh menambahkan jarak antarq dua jalurcerah berturulan, x.

II -_ P

2(bxiD

SULIT 12Section B

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Bahagian B[ 12 marks ]| trZ markahlAnswer any one question from this section.

Jawab mqnq-mana satu soalan daripada bahagian ini.

Diagram3.2Rajah 3.2

t mark lI I markah )Il mark]

An Eskimo used a snow sledge pulled by dogs to transport his goods from oneplace to another over the grounds covered with ice and snow. The snow sledgedriver found that the acceleration his sledge increased by adding more dogs to thesledge as shown in Diagram 3,2 and to Diagram 3.1.Seorang Eskimo mengangkut barang dari satu tempal ketempat lain yang dipenuhisis dqn salji dengan menggunakqn andur salji yang ditqrik oleh anjing. Pernanduandur salji mendapati kcnderaonnya semakin laiu apabila bilangan anjingditambah pada andurnya seperti yang ditunjukkan dalam Raiah 3.2 dan tlenganRajah 3.1.

Diagram 3.1Rajah 3. I

Based on the above information and observation:Berdasarkan makumat dan penterhatian di atas:

(a) State one suitable inforence.Nyatakan salu inferens yqng sesuai.(b) State one suitable hypothesis,

SULIT 4s3ll3(c) With the use of apparatus such as trolley, elastic cord and other apparatus,

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describe an experiment framework to investigate the hypothesis stated in 3(b).Dengan menggunokan radas seperli troli, tqli kenyal dan lainJain radas,terongkan satu rangka kerja eluperimen untuk menyiasot hipotesis yang andanyatakan di 3(b).In your description, state clearly the following:Dolam penerangqn anda, jelaskan perkara berikut:(i) Aim of the experiment.Tujuan el


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supply using cabel P. When it is connected to the power supply using cabel Q, thebrightness of the bulb is shown as in Diagram 4.2.Rajah 4.1 menunjukksn kecerqhan mentol A apabila disambungkan kepadabekalan htasa menggunakan kabel P. Apabila mentol itu disambungkan kcpadabekalan kua,sa menggunakan kabel Q, kecerahan mentol adalah ditunjukkan dalamRaiah 4.2.

Dry ocllsSel kering Diagram 4.7

Rajah 4.1

Dry cellsSel kering

SULIT 15(b) State one suitable hypothesis.

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Nyatakan satu hipotesis yang sesuai. I I markah(c) With the use of apparatus such as a rheostat, constantan wire and other

apparatus, describe an experiment framework to investigate the hypothesisstated in a(b).Dengan menggunakan radas seperti reostat, woyar konstantan dan lain-lainrados, lerangkan satu rangka kerja eksperimen untuk menyiasat hipotesis yangonda nyatakan di 41b).In your description, state clearly the following:Dalqm penerangan ondq, jeloskan perkaro berikut:(i) Airn of the experiment.Tujuan el


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MA"}LI S PENGETUA SEKSLA}I MEI.{EI{GAII MALAYSIACA.WANGAN NEGERI SEMEILANPEPERIKSAAN PEIACUBAAN BERSAMASI.FIL PEL.AJARAN MAL^AVSI,{ 2011

FIZIK

SKEMA PEM.4RKATIAI.{KER.TAS 1

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