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SULIT 1 4531/3

JABATAN PELAJARAN PERAK

PEPERIKSAAN PERCUBAANSIJIL PELAJARAN MALAYSIA 2008

PHYSICS

Paper 3

O e !"#r a $ %!&r%' (& #%e)

This question paper consist of 19 printed pages

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4531/3PhysicsPaper 320081 hours

Examiners Code

Section Question Totalmark Marks

obtained

A1 16

2 12

B

12

! 12

Total

*O NOT OPEN THE +UESTION PAPER UNTIL YOU ARE TOL* TO *O SO

"ame : #orm :.

1. Write down your name and class at the space given.

2. This question paper is bilingually set.

. The questions in !ahasa "elaysia have same meaning to the questions in English #anguage.

$. Candidates are allowed to answer all or part o% the questions either in English #anguage or !ahasa "elaysia.

&. Candidates must read the in%ormation on page1' and page 1(.

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Section A

[28 marks

Ans!er all "uestions1$ A student carries out an e%periment to in&estigate the relationship bet'een the

e%tension of spring( x( and 'eight of load( w$)iagram 1$1 sho's the arrangement of the apparatus for the e%periment$

)eorang murid men*alan+an satu e+sperimen untu+ meng+a*i hubungan antara peman*angan spring, x, dengan berat pemberat, w. -a*ah 1.1 menun*u++an susunan radas untu+ e+sperimen tersebut.

)iagram 1$1

-a*ah 1.1

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2 7

*etort stand a+i retot

Metre rule /embaris meter

Spring)pring

+ointer /enun*u+

Slotted 'eight /emberat

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At the beginning of the e%periment there is no load$ The length of the spring is(l o( 2,$, cm$A load of , " is used and the reading is recorded$

The procedures are repeated 'ith different loads of 'eight( w( equal to !, "( -, "( 6, " and., "$ The actual corresponding readings are sho'n in )iagrams 1$2( 1$ ( 1$!( 1$- and 1$6$

)pring digantung tanpa pemberat pada permulaan e+sperimen. /an*ang spring asal,l o , 20.0 cm.

/emberat 0 digantung pada spring dan bacaan diambil. /rosedur diulangi dengan pemberat yang mempunyai berat yang berbe a, w, iaitu $0 ,&0 , 30 dan 40 . !acaan penun*u+ pada spring yang sepadan ditun*u++an pada -a*ah1.2, 1. , 1.$, 1.& dan 1.3.

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4 7

)iagram 1$2 -a*ah 1.2

/eight of slotted 'eight is , " !erat pemberat 0

l l = ..

5 7

)iagram 1$ -a*ah 1.

/eight of slotted 'eight is !, " !erat pemberat $0

l = ..

)iagram 1$! -a*ah 1.$ 6

6

/eight of slotted 'eight is -, " !erat pemberat &0

ll = ..

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)iagram 1$- -a*ah 1.&

/eight of slotted 'eight is 6, " !erat pemberat 30

l l = ..

7 5

8

4

)iagram 1$6 -a*ah 1.3

/eight of slotted 'eight is ., " !erat pemberat 40

l l = ..

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0a #or the e%periment described on page 2( identif 3 !agi e+sperimen yang diterang+an di halaman 2, +enal pasti5

0i The manipulated &ariable /embolehubah dimanipulasi+an

44444444444444444444444444444$$$

0ii The responding &ariable /embolehubah bergera+ balas

444444444444444444444444444444

0iii The constant &ariable /embolehubah dimalar+an

444444444444444444444444444444

0b Based on )iagrams 1$2( 1$ ( 1$!( 1$- and 1$6 on page ! and page -3 !erdasar+an -a*ah 1.2, 1. , 1.$, 1.& dan 1.3 di halaman $ dan &5

0i $ *ecord the reading of each e%tension of spring( l ( in the spaces pro&ided on page ! and page - respecti&el $

Catat+an bacaan peman*angan spring, l, dalam ruang yang disedia+an dihalaman $ dan &.

0 ii 5alculate the &alues of x for each of the e%tension of spring$ 6itung+an nilai7nilai x bagi setiap peman*angan spring.

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10a 0 ii

[1 mark

[1 markah

[1 mark

[1 markah

10a 0 iii

10b 0 i

10b 0 ii

[1 mark

[1 markah

[2 marks

[ 2 markah

[2 marks

[2 markah

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0 iii Tabulate our results for l and x for all &alues of w( in the space belo'$ 8adual+an +eputusan anda bagi l dan x untu+ semua nilai w, pada ruang

di bawah

0 c n the graph paper on page 7( plot a graph of x against w $ /ada +ertas gra% di halaman ', lu+is graph x melawan w.

0 d Based on our graph in 10 c ( state the relationship bet'een x and w$ !erdasar+an gra% anda di 19 c :, nyata+an hubungan antara x dan w.

444444444444444444444444444444444

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10d

10b 0 iii

10c

[3 marks

[3 markah

[5 marks

[5 markah

[1 mark

[1 markah

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8raph of x against w=ra% x melawan w

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#$A%& PA'(

)A$A*A% &+S+%'

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2$ A student carries out an e%periment to in&estigate the relationship bet'een thelength of constantan 'ire( l ( and the resistance of the 'ire( - $

)eorang murid men*alan+an e+sperimen untu+ meng+a*i hubungan antara pan*ang

dawai +onstantan, l, dengan rintangan , -.

The results of the e%periment is sho'n in the graph of - against l as in)iagram 2$1 on page 11$

eputusan e+sperimen ini ditun*u++an oleh gra% - melawan l pada -a*ah 2.1di halaman 11.

0 a $ Based on the graph in )iagram 2$1( !erdasar+an gra% pada -a*ah 2.1,

0 i 'hat happen to - as l increases apa+ah yang berla+u pada - apabila l bertambah>

44444444444444444444444444444444

0 ii determine the &alue of - 'hen l : 2, cm$ Sho' on the graph( ho' ou determine the &alue of - $

tentu+an nilai - apabila l ? 20 cm. Tun*u++an pada gra% itu bagaimana anda menentu+an nilai -.

- : 444444444444444444

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20a 0 i

2

4

6

8

10

12

14

16

18

- /

8raph of - against l =ra% - melawan l

0 10 20 30 40 50 60 @ / cm

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0 b $ The cross;sectional area of the 'ire( A( is gi&en b the formula

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20b 0 i

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A :m+

( 'here m is the gradient of the graph and the &alue of + is ,$- < cm$

#uas +eratan rentas dawai, A, diberi oleh %ormula A ?m+

, dengan

+eadaan m ialah +ecerunan gra% dan + yang bernilai ,$- < cm$

0 i $ 5alculate the gradient( m( of the graph$ 6itung+an +ecerunan, m, bagi gra% itu.

m : 44444444444$$

0 ii $ )etermine the &alue of A$Tentu+an nilai A.

A : 44444444444$$

0 c $ Another identical 'ire is connected in parallel to the 'ire$ The total area(

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20b 0 ii

20d

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A 1( of the t'o 'ires in parellel is gi&en b the formula A 1 :m p

'here the

&alue of p is 1 < cm$

5alculate A 1$

)uatu dawai lain yang serupa disambung secara selari dengan dawai tersebut.

8umlah luas +eratan rentas, A 1 , bagi dua dawai yang selari ini diberi oleh

%ormula A1 ?m p

dengan +eadaan p bernilai 1 < cm$

6itung A 1.

A1 : 44444444444$$

0 d $ State t!o precautions that can be taken to impro&e the accurac of thereadings in this e%periment$

yata+an dua lang+ah ber*aga7*aga yang boleh diambil untu+ memperbai+i +etepatan bacaan dalam e+sperimen ini.

1$ 444444444444444444444444444444

4444444444444444444444444444

2$ 444444444444444444444444444444

4444444444444444444444444444

Section #

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20c [2 marks

[2 markah

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=12 mar+s >

Ans'er an one question$

8awab mana7mana satu soalan.

3. )iagram $1 sho's a Bourdon 8auge 'hich is used to measure air pressure of ball$

)iagram $2 sho's the reading of the Bourdon 8auge increases 'hen the ball sta sfor a long time under the sun$

-a*ah .1 menun*u++an Tolo+ !ourdon yang diguna+an untu+ mengu+ur te+anan bola.

-a*ah .2 menun*u++an bacaan Tolo+ !ourdon mening+at apabila bola tersebutdileta++an di bawah sinaran matahari pada *ang+a masa yang lama.

)iagram $1 -a*ah .1

)iagram $2 -a*ah .2

Based on the abo&e information and obser&ation3 !erdasar+an ma+lumat dan pemerhatian di atas 5

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0a State one suitable inference$ [1 mark yata+an satu in%erens yang sesuai. [1 markah]

0b State one suitable h pothesis$ [1 mark

yata+an satu hipotesis yang sesuai [1 markah]

0c /ith the use of apparatus such as a thermometer( beaker( 'ater and otherapparatus( describe an e%periment frame'ork to in&estigate the h pothesis

stated in 30b $ Bengan mengguna+an radas seperti thermometer, bi+ar, air dan radas lain,terang+an satu rang+a +er*a untu+ menyiasat hipotesis yang dinyata+an di3(b)

?n our description( state clearl the follo'ing3 Balam penerangan anda, *elas+an per+ara beri+ut5

(i) Aim of the e%periment$ Tu*uan e+sperimen.

(ii) @ariables in the e%periment$ /embolehubah dalam e+sperimen.

(iii) ist of apparatus and materials$ )enarai radas dan bahan.

(iv) Arrangement of the apparatus$

)usunan radas.(v) The procedure of the e%periment 'hich include the method of controlling

the manipulated &ariable and the method of measuring the responding&ariable$

/rosedur e+sperimen yang mengandungi cara mengawal pembolehubah yang dimanipulasi+an dan cara mengu+ur pembolehubah yangbergera+balas.

(vi) The 'a ou 'ould tabulate the data$ Cara untu+ men*adual+an data.

(vii) The 'a ou 'ould anal se the data$ [10marks Cara untu+ menganalisis data [10markah]

!$ )iagram !$1 and )iagram !$2 sho' t'o cranes transferring different loads of

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scrapped irons$

-a*ah $.1 dan -a*ah !$2 menun*u++an dua +ren pengang+at besi sedangmengang+at besi buru+ yang berbe a muatan.

)iagram !$1 -a*ah $.1

)iagram !$2 -a*ah $.2

Based on the abo&e information and obser&ation3

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!erdasar+an ma+lumat dan pemerhatian di atas 5

0a State one suitable inference$ [1 mark yata+an satu in%erens yang sesuai. [1 markah]

0b State one suitable h pothesis$ [1 mark yata+an satu hipotesis yang sesuai [1 markah]

0d /ith the use of apparatus such as insulated 'ires( po'er suppl and othersuitable apparatus( describe an e%periment frame'ork to in&estigate theh pothesis stated in 30b $

Bengan mengguna+an radas seperti wayar bertebat, be+alan +uasa danlain7lain radas yang sesuai,terang+an satu rang+a +er*a untu+ menyiasat

hipotesis yang dinyata+an di 3(b)

?n our description( state clearl the follo'ing3

Balam penerangan anda, *elas+an per+ara beri+ut5

(viii) Aim of the e%periment$ Tu*uan e+sperimen.

(ix) @ariables in the e%periment$ /embolehubah dalam e+sperimen.

(x) ist of apparatus and materials$ )enarai radas dan bahan.

(xi) Arrangement of the apparatus$ )usunan radas.

(xii) The procedure of the e%periment 'hich include the method of controllingthe manipulated &ariable and the method of measuring the responding&ariable$

/rosedur e+sperimen yang mengandungi cara mengawal pembolehubah yang dimanipulasi+an dan cara mengu+ur pembolehubah yangbergera+balas.

(xiii) The 'a ou 'ould tabulate the data$ Cara untu+ men*adual+an data.

(xiv) The 'a ou 'ould anal se the data$ [10marks Cara untu+ menganalisis data [10markah]

(%, +- . (ST +% PAP( C*TAS S A A" TAMAT

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%-+ *AT +% -+ A%, ,AT(S MAKLUMAT U TUK !AL"

1 This question paper consists of t'o sections 3 Section A and Section # ertas soalan ini mengandungi dua bahagian5 #aha ian A dan #aha ian #

2 Ans'er all questions in Section A $ /rite our ans'ers for Section A in the spaces

pro&ided in the question paper$

8awab semua soalan dalam #aha ian A . Tulis+an *awapan bagi #aha ian A

dalam ruang yang disedia+an dalam +ertas soalan.

3 Ans'er one question from Section # /rite our ans'ers for Section # on the D

helaian tambahan E pro&ided b the in&igilators$ Ans'er questions in Section # in

detail$ Fou ma use equations( diagrams( tables( graphs and other suitable methods to

e%plain our ans'er$

8awab satu soalan daripada #aha ian # . Tulis+an *awapan bagi #aha ian #

pada halaman bergaris yang disedia+an di bahagian a+hir +ertas soalan ini.

8awab #aha ian # dengan terperinci. Anda boleh mengguna+an persamaan,

gambar ra*ah, *adual, gra% dan cara lain yang sesuai untu+ men*elas+an *awapan

anda.

4 Sho' our 'orking( it ma help ou to get marks$

Tun*u++an +er*a mengira, ini membantu anda mendapat+an mar+ah.

5 ?f ou 'ish to change our ans'er( neatl cross out the ans'er that ou ha&e done$

Then 'rite do'n the ne' ans'er$

)e+iranya anda henda+ membatal+an sesuatu *awapan, buat garisan di atas

*awapan itu.

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The diagrams in the questions are not dra'n to scale unless stated$

=ambar ra*ah yang mengiringi soalan tida+ dilu+is+an mengi+ut s+ala +ecuali

dinyata+an.

6 Marks allocated for each question or part question are sho'n in brackets$

"ar+ah yang diperuntu++an bagi setiap soalan atau ceraian soalan ditun*u++an

dalam +urungan.

8 A booklet of four;figure mathematical tables is pro&ided$

!u+u si%ir matemati+ empat ang+a disedia+an.

7 Fou ma use a non;programmable scientific calculator$

Anda dibenar+an mengguna+an +al+ulator sainti%i+ yang tida+ boleh diprogram.

10 The time suggested to complete Section A is 6, minutes and Section # is , minutes$

"asa yang dicadang+an untu+ men*awab #aha ian A ialah 30 minit dan

#aha ian # ialah 0 minit.

11 Gand in our ans'er sheets at the end of the e%amination$

)erah+an +ertas soalan ini di a+hir peperi+saan

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