E]€¦ · 4 Diagram 4 shows a pattem of water waves Rajah 4 menunjukkan corak gelombang oir....

$: E]€¦ · 4 Diagram 4 shows a pattem of water waves Rajah 4 menunjukkan corak gelombang oir. 453112 *s _\ /.\ r Sz s\ I,,-1 t /,\ Sr Diagram 4 R,ajah 4 Based on Diagram 4 Berdasarkan$
CONIIIDENTIAL4S3tDPHYSICSPaper 2November20t22 % hours

PHYSICS

Paper 2

Two hours and thirty minutes

DO NOT OPEN THIS BOOKLETUNTIL TOLD TO DO SO

4s3U2

Index Number :

Name :

Class :

MAKTAB RENDAH SAINS MARA

SIJIL PELAJARAN MALAYSIAFINAL EXAMINATION SEMESTER 2 2OI2

l. Write down your name and classin the space provided.

The questions are written inEnglish and baiasa Melayu.

Candidates are required to readthe information at the back of thebooklet

For Exaniiner's ase

Section Question TotalMarks

ScoreObtained

A

I 4

2 )

3 6

4 6

5 10

6 t2

B 7 20

8 20

C9

t2

Total

2.

This booklet consists of 26 printed pages and I blar < pages

453112@2012 Copyright Maktab Rendah Sains MARA , -[Ttun page over

CONFIDENTIAL

E]lr I

L_-.1lr I

t-l

www.myschoolchildren.commore examination papers at :

CoNFIDENTIAL 451U2The following information may be useful. The symbols have their usual meaning.

(MaHumat berikat mungkin berfaedah Simbol-simbol mempunyai makna yang biasa)

I v=I 19 Wavelength/Pa niang gelombang, ). = It'D

z a=!:tt 16 power/rzas a, p =en?.tgy ltenogat , tmel maSA

3 v2 =u, +zas 'o +=:.+| 2l Linear magnificalionl penbesaran lineu',

4 s =ut+!at2 v'2M=-

5 Momentum = rau 22 Refractive in dex/Indeles biasan, ,7 =+11smr

6 F =ma

7 Kinetic e\etgy/Tenaga kinetik 23 Refractive index/Indeks biasan'=%mv2 ,=ffiH*,8 Gravitational potential energy/

Tenaga keupayaon gravtty: mgh 24 e= h

o Elastic potential energy/' Trnogo Lupoyoo, *"ryi': n P* 25 tl = IR

10 Density /re nmcatan, p:ff 26 E:VQ

r 1 Ptessure/Tekanan, p:!.A

12 Presswe/fe kanan, P=hpg

13 Heatl Haba, I = mce

14 Heatlaaoa, Q-plPV15 V= constanttfenatar)

27 PowerlKuasa, P =IV.t/, v,

28 \=\29 E: mc2

3g Efficiencylxecekaprn = Ir(i

,Pgo7oI ovo

31 8 = l0 m s'2

16 Atmospheric pressure at sea level/Tekdnon qrmosfera pada aras laut: t x tOs pa 32 c : 3.0x 10"m s''

t7 v=.fl4531/2@2012 Copyright Maktab Reudah Sains MARA flum page oy€r

CONFIDENTIAL .


Section ABfiagiaa A

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

Diagram I shows sound produced by a loudspeaker .

Rajah I menunjukkan bunyi dihasilkan oleh pembesar suara.

Diagram IRajah I

(") Undertine the conect answer in the bracket to complete'the sentence

below.Sound wave is a (longitudinal, transverse ) wave.Garkkan jowapon yang benl di dalam kurungan untuk melengkaPkan q)dt di bawqh.

Gelombang bunyi ialah gelombang (membujur, melintang).

aF-_J

x-t F-

[lnarkl

(b) Based on diagram I , name the region X.Berdosarkan Rajah I di dtas, namqkan ka*asan yang dilabelkan X.

1(ai

l-orExaminer -

Use

t(c.)

r(d)tr

llmarkl

(c) State the physical quantity represented by Q.l,lyatakan kuantiri Jizik yang diwakili oleh e.

ll mark).

(d) What is kansferred by the wave?Apakahyang dipindahkan oleh gelombang itu?

{1 markl


CONFIDENTIAL

l

2 Diagram 2 shows a bicycle pump.Rajah 2 menunjul*an sebuah pam basikal.

pist,,n

rrreX!!€d &ir

r*rperlelAlrrp

Diagr.am 2Rajah 2

(a) What happen to the gas pressure in the pumB when the handle is pusheddownwards ?Apakah yang berlaku pada tekanan gas di dalam pam apabila pemegang pan ditolak kcbawah ?

ll markl

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rl !

453112@2012 Copyright Maktab Rendah Sains MARA

4531t2

Examiner'suse

2(a)

ttr

6


.7CONFIDENTIAL

(b) State one physical quantity other than mass that is constant.Nyatakan satu kuantiti faik yang tidak berubah selain doripada ikim-

4511t2For

ExaminerUse

2(c)

[!

1'

[1 markl

(c) Name the law involvedNamakan hukum yang terlfbat.

(d)

llmarkl

The air pressure inside a bicycle pump is 20 Pa when the volirme is 50 cm3.

Calculate the volume of air inside the bicycle pump when the pressure

is 30 Pa.Tekanan udaru di dalam pam basikai ialah 20 Pa apabila isipadunya 50 cm3. Hitung

isipadu udara di dalam pam basikal apabila tekanan ialah 30Pa.

12 marksl

[Turn page over

CONFIDENTIAL453112@2012 Copyright Maktab Rendah Sains MARA

tl


CONFIDENTIAL3 Diagram 3 shows the top vibui of the student in the room.

Rajah.l menw{uhkan pandangan dari atas kedudukan pelajat di dalan bilik itr

Plim mtrsCvnfo rt*[f

$fn!l thc*Jur rithdng

Diagram 3.1Rajah j.l

(a) Name the light phenomenon involvedNamakan fenomena cahaya te ibat-

$tudg rPr&inr

$2 n --"*r----

j |t

4s3tD

3(a)

tE

3(r)m

17 markl

What is the distance between the student and the image of the wall clock ?Beropakahjarak di dntara peldjar itu dengan imej jam dinding ?

} markl

(b)

[Ttrm page overCONFIDENTIAL



CONFIDENTIAL(c) The student then moves I m towards the plane mirror' What is the distance

. between the student and the image of the wall clock?Pelajar itu kemutlian bergerak I m ke arah cermin satah. Berapakthjarak di antara pelajar

itu dengan imej jam dinding. ?

12 marksl

(i) Complete the ray diagram in Diagram 3.2Lengkapkan rajah sinar dalam Rajoh j.2

Rajah 3.2Rajah 3.2

[2 marks]

(d)

4531f2@2O12 copyright Maktab Rendah Sains MARA [Tum page over

CONFIDENTIAL

453v2For

Examiner'suse

ffi

3(dxi)

E

Total A'

[tr


l0CONFIDENTIAL

4 Diagram 4 shows a pattem of water wavesRajah 4 menunjukkan corak gelombang oir.

453112

*s

_\

/.\ r

Sz

s\

I , ,-1t

/,\Sr

Diagram 4R,ajah 4

Based on Diagram 4Berdasarkan Rajah 4

(a) (i) What is the meaning of coherent sources?Apakah maksud sumber yang koheran?

ll markl

(ii) Draw a line to show an antinodal line.Lukis sqtu gqrisan yang menanjukkan garkan anlinod.

11 markl

o) Explain how constructive interference occurs.Terangkan bagaimana interferens me bina bqlaku,

ForExaminer's

use

a(c)(ii)

ftr4(b)

ttr

4(aXr)

4531 l2@2O12 Copyright Maktab Rendah Sains MARA

ll mark)

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1lCONFIDENTIAL

(c) (i) Calculate wave length, )" when distance between two adjacant sources

is 10.0 cm. The distance between two consecutives constructive

interference is 5.0 cm and the perpendicular distance source and where

interference occurred is 0.5 m.

Hitung panjang gelombang , I apabilajarak anlara dua sumber yang bersebelahan

talahlti.o in.iiak antur; dua antinoi yang berturutan ialah 5'0 cm daniarak

diantara sunber dengdn corak irrterlerens terbentuh ialah 0 5 n'

P marksl

What will happen to the wavelenglith when use higher frequency ?.

ip*"n iirii"r iiu ieiada paniaglelombang iika neiggunakan frekuensi vangIebih besar?

(ii)

I mark]

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CONFIDENTI,AL453112@2012 copyright Maktab Rendah Sains MARA

453112For

Exqminer'suse

4(cXD

ttra(c)(ii)

m

Total A4


CONFIDENTIAL

5. Table 5 shows the electromagnetic spectrum.

Jadual 5 di bawah menuniukkan spelarum elektromagnet-

Table 5Jadual 5

(a) Name the electromagnetic wave that has the longest wavelength-Namakan gelorubang eledromdgnel yang paling Paniang

Radiowave SInfrared

Visiblelighl

Ultra-violet

R Y-ray

4$1n

ForExaminer's

Use

s(a)m

s(bxii)m

[1 mark]

Based on the table 5, state the electromagnetic wave:Berdasarkan ja&tal di atas, namakan gelombang elehrovrdgnet:

(r) S:

(i') R:

(b)

[1 mark]

I mar$

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453U2@2012 Copyright Maktab Rendah Sains MARA

5(bXDm


t3CONFIDENTIAL

453llZB.2OI2 copyright Maktab Rendah sains MARA

(c)Diagram shows geologists use echo-sounding to search for oil and gas'

The speed of sound wave in the ground is 4000 m s-l' If the sound wave arrives at

A after 0.5 s, estimate the depth to hard rock.

Laju gelombang bunyi dalam ranah ialah 4000 n it ' Jikq gelombang butrlti sampai pada A selepas

0.5 s, hilungk t kedalaman ban keras-

12 narksl

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CONFIDENTIAL

,:ria::;!tilai:t

453112

t


t4CONFIDENTIAL

(d)A medical technician uses echo imaging technique to take liver image ofa patient.

The quality of the image depends on the properties of the wave used.

Seorangjurutelorik perabatan tnenggunakan teknik echo inag@ untu* imei hati seorqng Pesakit.

Kualiti imej bergdntung kepada ciri ciri gelombang yang digunakan.

The types ofwaves that can be used for echo imaging can be chose from the table below.

Jenb gelombangyang boleh di gunakan untuk 'echo imdging' boteh di pilih dari jadual di bowah

ChoicePilihan

Types of wavesJenis gelombanP

' WavelengthPaniang Gelombang

A X-ray ShortPend*

B Ultrasonic ShortPendek

C Infrasonic LongPanianp

D Radiowaves LongPaniqns

Types of wavesJenk gelombang

(i)

453U2

5(dxi)

ttrReasonSebab

[2 marks]

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453112@2012 copyright Maktab Rendah Sains MARA


. CONFIDENTIAL(ii) Wavelength

Jarak gelombang

l5453U2

s(dxii)m

TotaIt-.t__l

ReasonSebab

[ 2 marks]

(iii) Which type of wave is most suitable to be used in the echo imaging

machine?Jenis gelombang yang manakah paling sesuai untuk digunakan dqlam alqt echo imaging?

I mark]

4531DG)2012 copyright Maktab Rendah Sains MARA [Turn pagc over

CONFIDENTIAL

5(d)(ii,

Li"


CONFIDENTIAL6. A student camied out an experiment to investigate the relationship between image

distance, 4 and object distance, a, and determine the focal length ofa convex lens. The

result of experiment is shown by a graph of 1/ v against l/u as shown in Diagram 6.

Seorang pelajar menjalankan eksperimen untuk mengkaii hubun4an antataiarak inei' v, denganjarakobiek, i, dan menentukanjarakfokus bagi sebuah kanta penumpa. KePuhtsan elcperimen in dituniukkan

oleh graf l/u melawan I h seperti pada Rajah 6.

(a) Based on the graph in Diagram 6,Berdasarkan graf dalan Rajah 6,

(i) State the relationship between l/u and l/vnyatakan hubungan anmra I /u dengon l h

I mark]

(ii) Determine the value of v, if u is 25.0 cm.Show on the graph, how you determine the value v.Kirakan nilai v jika u = 25.0 cmTunjuk*an bagaimana anda menentukan nilai t pada gr{.

[3 marks]

(iii) Using the formula l/f = llu+ \lv, determine tlhe focal length, f of the lensused. Show on the graph how you determine value off.

Tennkan nilai panjangfokus, f,, kanta penumpu ,ersebut. Tunjukkan bagaimana andamenentukqn nilai f p ada gr al.

[2 marks]

(iv) Calculate gradient, z ofthe graph.Hitung kecerunol m bagi grafin.

[3 marks]

l6

f:

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451v2

6(aXi)

ttr

6(aXii)

m

6(a)(iii)E

[Turn page over

CONFIDENTIAL

6(aX'9

cm


17

CONFIDENTIAL

Diagram 6RqJah 6


4531t2

[Turn page ov:

CONFIDENTIAI,


CONFIDENTIAL

O) Using the value of f from (a)(iii) and P: 1/f, calculate the power, P of the lens inDiopter / D

Dengan menggunakan nilai t dari (a)(iii) dan P = l/f , hitung fuasa kanta dalam unit Diopter/D.

P:[2 marks]

(c) State one precaution that should be taken during the experiment.Nyatakon satu langkah berjago-jaga yang perlu diambil semasa el*perimen ini dijalankan

[1 mark]

4531/2@2012 Copyright Maktab Rendah Sains MARA

18

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453tD

6(b)

[tr

6(c)

ttr

Total A6

[trwww.myschoolchildren.commore examination papers at :

19

CONFIDENTIAL 4531NSECTION B

Bahagian B

[40 marks][40 narkah]

,#:ilil':::;:)"i,xi#,1!'i.Tilii,,,7. Diagram 7.1 shows a claypot frlled with an initial mass of 0.5 kg of water.

Diagram 7.2 shows an aluminium pot with an initial mass of 0.5 kg of water 'Similar hot plates are used to heat both pots for thirty minutes.Rala, 7., menunjukk xt sebuah periuk tanah diisi dengan air yangiisim awalnya 0.5 kg

Rajah 7.2 menunjukknn sebuah periuk aluminium diisi dengan air yangibim owalnya 0 5 kg.

?lat pemanas yang serupa digunakan untuk memanaskan kedua dua periuk selamq tiga Puluh minit'

Material ofthe potBahan periuk

),;m,^ \ I *::tr;

\E=l--;;;ry:M

t------ ---l---J_->-@Hot olate

Diagram7.2Raiah 7.2

water\L-_-_-_-----------------------------r,

Diagram 7.1Raiah 7-l

Hot plate

Specific Heatcapacity

Muatot habatentu

c = 900 J kg-r oc-t c:390 J kg-r oC-r

(a) What is meant by specific heat capacity?Apakah maksud maalan haba tentu?

[1 markl

453U2@2O12 Copyright Maktab Rendah Satus MARA [Tum pagc

CONFIDENTi

;a


20CONFIDENTIAL

(b) Using Diagram 7.1 and Diagram 7.2,

Venggunakan Rajah 7.1 dan Rajah 7.2

453u2

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CONFIDENTIAL

(r) compare the mass of water Ieft in the potsbandingkan jisim air yatg masih tinggal dalam periuk

(ii) compare the specific heat capacity for each pot

bandingkan muatqn haba tentu bagi seliap pe uk.

(iii) compare the time taken for water to boil in each potbandingkan masa bagi air mendidih dalam setiap periuk

[3 marks](c) State the relationship between

lly at a kan hubungan ant ar a

(i) the time taken for water to boil in each pot and mass of water evaporatedfrom each pot

masa bagi air mendidih dalam setiap periuk denganjisim air yahg terseiat bagi setiapperiuk

[1 mark]

(ii) The mass of water evaporated in each pot'and specific heat capacity of thepot.

Jisim air yang tersejat dalam setiap periuk d)ngan muatan haba tentu pefiuk tercebut

[1 mark]

(d) Diagram 7.3 shows a cooling system ofan air conditioner in a car.Rajah 7.j menunjuk*on satu sistem penyejuk udara.dalqm sebuah kereta.

Diagram 7.3Rojah 7.3

453112@2012 Copyright Malrtab Rendah Sains MARA

evaporator

condenser

condenserfan

";r-*


21

CONFIDENTIAL 453112

Usingappropriatephysicsconcept,explaintheuseofsuitableequipmentssothatthe temperatue in the car cools down in a shorter time'

Your arswer should include the following aspects:

Meriggunakan konsep ftzik yang suuai, terangkan penggunaan peralatan yang sesuai

supayi suhu di datam kereta menyejuk dengaa lebih cepat'

Jattapan anda hendaklah meranglatmi aspek aspek berihtt

(i) Specific heat capacity ofcooling coil.Muatan haba tentu bagi gegelung penyeiak

(ii) Specific latent heat ofvaporisation offluidMualan haba pendam Pengewapan bagi cecair

(iii) Number of the cooling coilBilangan gegelung PenYeiuk

(iv) Colourof condensercoil i

lVarna gegel un g Pe ngkondens as i

(v) Size offansaiz kiPas po marks]

(e)' Using the concept of specific heat capacity, explain why the wind blows ftom the

Iand towards the sea at night'Menggunalan knnsep muotonioba t"ntu, terangkln metgapa angin bertiup dari darotan le lout

Pada waktu malam

[4 marks]

4531t2c)2012 copyright Malitab Renrtah Sains MARA [Ti[n page over

CONFIDENTIAL


22CONFIDENTIAL

(u) (D

8. Diagram 8.1 a hydraulic jack which can liftup a maximum mass of 1000 kg.Rajah 5.1 menunjul:*an sebuah iek hidraulikyang boleh mengang*at jisim malcsimum 1000 kg'

453v2

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CONFIDENTIAL

Diagram 8.1Rajah 8. I

What is meant by pressure ?Apakah yang dimaksudkan dengan tekanan ?

[1 mark]

(il) Explain how the hydraulic jack can lift up a heavy load'Terangkan bagaimana sebuahjek hidrdulik boleh mengangkat beban yotg berat.

[4 marks]

3;!":P,:d,

Bi9



23

CONFIDENTIAL

(b) Diagram 8.2 shows a hydraulic jack used to lift up a carRajah 8-2 neru4jut:kot sebuah ie* hi&aulift digtmalcan untuk mengangkat sehuh k*aa'

451112

[Tum pagc ovcr

CONFIDENTI,AL

Diagram 8.2Rqiah 8.2

Table 8Table 8

Table 8 shows fow hydraulic systern K L, M and N with difrerent specifications. You

are required to determine the most suitable system'Jadualb nexolut*on emPslienis sktem hiibaulik K I. M and N dengan spuikasi yang berbea Anda

dikehendaki mnentukan sistant paling semai.

H:draulic*system

Sisten hi&aulic

Boilingpoint/C ofhydraulic

liquidTalcat didild'C

Containermatrrial

Bahan penafuag

Viscosity ofhydraulic

liquidKelikat*t

cecgirhibaulik

Compressibility ofhydraulic liquidKebolehmattpatan

cecair hi&anlik

K HishTinggl

IronBesi

HighTinggt

IncompressibleTidak boleh narnpat

L LowRendah

AluminiumAhoninhnt

LowRendah

ComprcssibleBoleh mupat

M HishTinggt

Staiuless steelKeluli

Hishfinggi

IncompressibleTidak boleh mampat

N LowRendah

CopperTanbaga

LowRendah

CompressibleBolehmotpat

453U2@2012 C-opyieht Maktab Rendah Sains MARA


24CONFIDENTIAL 453LD

[10 marks]

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CONFIDENTIAL

(c)Diagram 8.3 shows a hydraulic system used to raise a load.Rajah 8.3 menunjukkan satu sislem hidraulikyang digunakan untuk menaik*an beban

LoadBeban

Piston A moves5 m downwards I

omboh A I

bergerak .1,

5 m ke bowah

'(2m1

Diagram 8.3Rajah 6.3

A force of 50N is applied onpistonAof cross-sectional areaz fi? - A load is

plac€d oRpistonB of cross-sectional area l0 mz.baya 50 N iikenakan ke alas omboh A yang mempn4ni luas kzratan rentas 2 m2 . Satu beban

di[aakkan di atas omboh B yong mempunyai luas keratan rentos t 0 # -

(D Calculate the pressure exerted on piston A?Hitungkan tekanan yang terhasil di omboh A?

(iD Calculate the force acting on piston B?Hinngkan daya yang bertindak pada omboh B?

(iii) Calculate the distance moved by piston B if the distance moved by piston Ais5m.Hitungkan jarak yang dilalui oleh omboh B iika omboh A bergerak ke bawah sebanyah 5 m.

[5 marks]

50N



25

CONFIDENTIAL

SECTION CBahagian C

[2 Marks]fi2 Markahl

g. A student tries to push in the piston ofa hand pump which is clipped tightly at

the end.Diagramg.lshowsthatinitiallythestudentfindsitiseasytopushthepiston.Dialram 9.2 shows that he finds it more difficult to continue pushing the piston.

Seolang pelajar cuba menolak omboh sebuah pam tangan yang diHip dengan futat

di hujungnya.naiin e1

'menuniukkan pada owalnya pelajar itu mendapati mudah untuk menolak

omboh itra-

Rajah 9.2 menunjukkan ia mendapati lebih sukar untuk terus menolak omboh itu.

Diagram9.2Rajah 9.2

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[1 mark]

[1 mark]

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Diagram 9.1Rajah 9.1

Based on the infonnation and observation;Berdosarkan msHumal dan Pemerhatian itu;

(a) Make one suitable inference.Nyatakon satu inferens Yang sesuai

(b) State an appropriate hypothesis that could be investigated'Nyalakan satu hipotesis ydng sesaai.

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26453v2

CONFIDENTIAL

(c) With the use of apparatus such as a syringe, slotted weights and othet apparatus'

describe one expeiiment to investigate the hypothesis stated in 9(b)'

Dehgan menggunakon ,oio, seperti picagari, p"iO""t berslot da laiwlain radas yang sesuaL

teringkan sii eksperimen untui menyiasat hipotesis yang dinyatakan di 9(b)'

(i) The aim of the exPerimentTuiuan ekPerimen-

(ii) The variables in the experimentP embolehubah dalam eksPerimen'

(iii) List of apparatus and materialsSentai radas ddn bahqn'

(iv) Arrangement of the aPParatusSusunan radas.

(t) The procedure of the experiment, which- includes the method of controlling

the manipulated variabie and the method of measuring the responding

variableProsedur eksperi,,ten yong mesti lermqsuk satu kaedah mengawal pembolehuboh

dimanipulasikii dan "o*

kiaoh '1"'g"kur

pembolehubah bergerak balas'

(vi) The waY You tabulate the dataCara tnnk aenialo*an data

(vii) The way you would analyse the dataCara untuk menganalisis data'

[10 marks]

END OF QUESTION PAPERKERTAS SOALAN TAMAT

,/

453112G)2012 copyriglt Maktab Rendah Sains MARA ITum page over

CONFIDENTIAL I


E]€¦ · 4 Diagram 4 shows a pattem of water waves Rajah 4 menunjukkan corak gelombang oir....

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