Trial Sbp 2008

8/20/2019 Trial Sbp 2008

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SEKOLAH BERASRAMA PENUHBAHAGIAN PENGURUSAN

SEKOLAH BERASRAMA PENUH / KLUSTER KEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERCUBAAN SPM 2008

FIZIK

PERATURAN PERMARKAHAN

KERTAS 1, KERTAS 2 & KERTAS 3

8/20/2019 Trial Sbp 2008


Ph!"#! P$%' 1T'"$( E)$*"+$"-+ SBP 2008

M$'."+ S#h*

1 C 2 A

2 B 2 C

3 D 28 A

A 2 B

4 B 30 B

C 31 A

B 32 A

8 D 33 C

C 3 A

10 B 34 C

11 A 3 C

12 B 3 A

13 C 38 C

1 B 3 D

14 C 0 B

1 A 1 B

1 A 2 D

18 A 3 A

1 D C

20 D 4 C21 C B

22 C B

23 B 8 B

2 A B

24 C 40 D

[ 50 marks ]

8/20/2019 Trial Sbp 2008


Ph!"#! P$%' 2T'"$( E)$*"+$"-+ SBP 2008

M$'."+ S#h*

56!"-+N6*7' M$'."+ S#h* M$'.!1. (a) (i)

(ii)

(b)

Acceleration

Displacement

OA : Uniform acceleration / elocit! increases "niforml!

AB : Uniform elocit! / acceleration is #ero

1

1

1

1

$otal %

&. (a)

(b) (c) (i)

(ii)

(')

ast moin electron

*+ t"beDecrease//lo,

$-e beta particle is bloc b! t-e "ice

o, penetratin po,er

1

11

1

1

$otal 5

(a)

(b) (i)

(ii)

2 :$ension of t-e sprin an' label 2 correctl! on t-e 'iaram3 :4ei-t an' label 3 correctl! on t-e 'iaram

Dra, trianle

Correct 'irection

/ 6 tan 00

6 7 tan 00 6 .%% 8

11

1

1

11

$otal

8/20/2019 Trial Sbp 2008


%. (a)

(b) (i)

(ii)

(iii)

(c) (i)

(ii)

9nterference is t-e s"perposition of t,o ,aes oriinatin from

t,o co-erent so"rces.

Constr"ctie 9nterference

$-e cor ,ill moe "p to to -i-est leel

5.110

5=

×==

D

axλ cm

'ecreases.

1

1

1

1

&

1

$otal

5. (a)

(b) (i)

(ii)

(iii)

(i)

()

(c)

(')

+ass 'ii'e b! ol"me

Densit! sp-ere A less t-an B

4ei-t A less t-an B

$-e ,ei-t of ,ater 'isplace' b! A less t-an B

arer ,ei-t of sp-ere; 'isplace' bier ,ei-t of ,ater

4ei-t of ,ater 'isplace' 6 "pt-r"st //

4-en t-e ,ei-t of ,ater 'isplace' increase; "pt-r"st increase

Arc-ime'es< principle

="bmarine

1

1

1

1

1

1

1

1

$otal >

. (a) (i)

(ii)

Diaram .1 ? ano'e of t-e 'io'e is connecte' to positie terminal

of 'r! cell.Diaram .& ? ano'e of 'io'e is connecte' to t-e neatie

terminal of 'r! cell.

B"lb in 'iaram .1 li-ts "p; b"lb in Diaram .& 'oes not li-ts

1

1

8/20/2019 Trial Sbp 2008


(iii)

(b) (i)

(ii)

(iii)

"p.

$-e b"lb 'oes not li-t "p ,-en t-e positie 'io'e is connecte' to

neatie batter! // reerse' biase'

$-e b"lb li-t "p ,-en t-e positie 'io'e is connecte' to positie

batter!// for,ar' biase'

@ Ac po,er s"ppl!@ arranement of 'io'es (o"tp"t inp"t)

Capacitor

1

1&

1

1

$otal >

. (a) (i) (ii)

(b)

(c)

(') (i)

(ii)

(iii) (i)

9ncrease2ress"re

2ress"re a,

$& 6 2& $1 6 &0 7 00 6 %5 // & C

21 &00

+ 1@ Conersion of "nit from C to elin+ &@ ="bstit"tion

+ @ Ans,er ,it- correct "nit

4i'er s"rface area

$-e press"re e7erte' on roa' is re'"ce'

$-ic t!re t-rea'$o ie better rip to t-e roa'

11

1

1

1

11

$otal 10

>. (a)

(b) (i)

(ii)

=-o, t-e 'irection of c"rrent correctl! on t-e solenoi'.

8ort- pole

i-t -an' rip r"le

1

1

To CRO

8/20/2019 Trial Sbp 2008


(iii)

(c) (i)

(ii)

(iii)

(i)

(')

1. Dra, t-e pattern correctl!.

&. Dra, t-e 'irection of manetic fiel' correctl!.

=oft iron core

Can be easil! manetise' an' 'emanetise'.

U s-ape' core

=trent- of electromanet is -i-er

1. ,-en t-e s,itc- is presse'; t-e cic"it is close'

&. c"rrent flo, t-ro"- solenoi'; t-e iron core is manetise'

. =oft iron core is attracte' to t-e electromanet %. strie t-e on

1

11

1

1

1

1

/%

$otal 1&E.(a) eciprocal of focal lent- in meter 1

(b) $-e obect 'istance in Diaram E.1 is closer t-an in Diaram E.&$-e imae 'istance in Diaram E.1 is f"rt-er t-an in Diaram E.&

$-e si#e of imae in Diaram E.1 is larer t-an in Diaram E.&

$-e f"rt-er t-e obect 'istance; t-e closer t-e imae 'istance$-e f"rt-er t-e obect 'istance; t-e smaller t-e si#e of imae

11

1

11

(c) $-e la!ers of air nearer t-e roa' ,armer.$-e 'ensit! of air 'ecrease nearer to t-e roa' s"rface.

$-e li-t trael from 'enser to less 'ense area.

$-e li-t refract a,a! from t-e normal

4-en t-e anle of inci'ence e7cee' t-e critical anle; totalinternal reflection occ"rs

(maximum 4 marks)

11

1

1

1

(') (i) Obectie lens aboe // 'iaram

F!epiece belo, // 'iaram

Correct arranement of prisms // 'iaram

1

1

&

8/20/2019 Trial Sbp 2008


(')(ii) a! from obect to t-e 1st prism an' reflect E0°

=econ' reflection E0° in 1st prism

eflection in &n' prism ('o"ble reflection)

Dra, anot-er ra! 'iaram

1

1

1

1

(') (iii) =-orter // smaller si#e of binoc"lar // eas! to carr!

2ro'"ce "pri-t imae

1

1

$otal &0

10. (a) (i)

(ii)

(b)

$-e 8@pole in Diaram 10.1 is moe' into t-e solenoi'; t-e 8@

pole of t-e manet in Diaram 10.& is moe' o"t of t-e solenoi'.$-e alanometer pointer in Diaram 10.1 'eflects to t-e ri-t;

t-e alanometer pointer in Diaram 10.1'eflects to t-e left.

@4-en 8@pole is moe' into t-e coil; t-e top of t-e coil is a 8@

pole;an' ten's to repel t-e manet@4-en t-e 8@pole is p"lle' o"t of t-e coil; t-e top of t-e coil is a=@pole; an' t-"s attractin t-e rece'in 8@pole.

@$-e 'irection of t-e in'"ce' electromotie force acts in s"c- a

,a! as to oppose t-e action ,-ic- pro'"ces it.

en#<s a,

1

1

1

1

1

1

1

23

8/20/2019 Trial Sbp 2008


(c)

(')

1. rotate t-e coil in cloc ,ise 'irection

&. t-e coil c"t across t-e manetic fiel'. c"rrent is in'"ce' in t-e coil

%. t-e comm"ator c-ane t-e 'irection in t-e coil so t-at t-e

'irection of c"rrent in e7ternal circ"it 9 al,a!s t-e same.

1. "se t-in 'iap-ram

&. Fas! to ibrate. Use stron material

%. 8ot eas! to brea

5. +ore n"mber of t"rns of coil

. 9ncrease t-e rate of c-ane of manetic fl"7 linae // $-emanit"'e of t-e in'"ce' c"rrent or is also increase'

. $-icer 'iameter of ,ire of coil

>. re'"ce t-e resistance of t-e coilE. Usin more po,erf"l manet to increase t-e strent- of t-e

manetic fiel'10. 9ncrease t-e rate of c-ane of manetic fl"7 linae //$-emanit"'e of t-e in'"ce' c"rrent or in'"ce' electromotie force

is also increase'

1

11

1

10

$otal &0

11. (a)

(b)

(c)

(') (i)

$emperat"re is t-e meas"re of t-e 'eree of -otness of an obect.

$-ermometer is place' in t-e mo"t- of patient;

Geat is transferre' from patient<s bo'! to t-e t-ermometer.

$-ermal eH"ilibri"m bet,een t-e t-ermometer an'

patient<s bo'! is reac-e' ,-en t-e net rate of -eat transfer

is #ero. $-e t-ermometer an' t-e patient<s bo'! are at t-e same

temperat"re. $-e t-ermometer rea'in s-o,s t-e

temperat"re of t-e patient<s bo'!.

1. o, specific -eat capacit! of ice cream bo7

&. Fas! et col' // becomes cool H"icl!

. =maller si#e of ice cream bo7%. Fasier to carr! // eas! too become cool

5. 2lastic 2IC

. 2oor con'"ctor of -eat

. Bri-t colo"r of o"ter bo7>. Does not absorb -eat from s"rro"n'in H"icl!

E. is c-osen

10. beca"se o, specific -eat capacit! of ice cream bo7; =mallersi#e of ice cream bo7; 2lastic 2IC; Bri-t colo"r of o"ter bo7

6m

Pt

1

%

10

8/20/2019 Trial Sbp 2008


(ii)

6 0.1 7 10 7 15

0.05 6 1&000 J @1

t 6 & s (from rap-)

c 6 2t m K

6 0.1 7 10 7 & 0.05 7 1%0

6 10&>.5 J @1 C

&

1

&

$otal &0

1&. (a)

(b)

(c)

(') (i)

(ii)

(iii)

2otential 'ifference is 'efine' as ,or 'one in moin a "nit

electric c-are bet,een t,o points.

$-e t,o 'r! cells are connecte' in parallel

$-e effectie e.m.f. remains t-e same

$-e effectie internal resistance of t-e t,o cells is smallerA larer c"rrent ,ill flo, t-ro"- t-e b"lb to mae it bri-ter

1. Diameter s-o"l' be lare

&. to re'"ce t-e resistance of t-e cables

. Densit! s-o"l' be lo,

%. t-e cables ,ill be li-ter an' can be s"pporte' sec"rel!5. $-e rate of e7pansion s-o"l' be lo,

. =o t-ere is less e7pansion an' less sain in t-e cables '"rin

-ot 'a!s.7. $-e meltin point s-o"l' be -i-

>. =o t-e cables 'oes not meltin in -i- temperat"re.E. 3 is s"itable10. Diameter is lare; 'ensit! is lo,; t-e rate of e7pansion is is

lo, an' t-e meltin point is -i-.

C"rrent 6 2/I 6 E500/&%0

6 E.5>A

2o,er loss ;2 6 9&

6 E.5>& 71

6 15. 4

2ercentae of loss of po,er

6 1009500

6.1566 x

6 1.%E L

1

1

1

11

10

1

&

&

$otal &0

8/20/2019 Trial Sbp 2008


Ph!"#! P$%' 3T'"$( E)$*"+$"-+ SBP 2008

M$'."+ S#h*

56!"-+ M$'.! M$'."+ S#h*1(a)(i) 1 S$ h *$+"%6($ 9$'"$7( #-''#( M

Gei-t of incline' plane from t-e s"rface; -

(ii) 1 S$ h '!%-+"+ 9$'"$7( #-''#( M

Ielocit! of t-e trolle!;

(iii) 1 S$ -+ :") 9$'"$7(; +ass of trole! // 8o. of trolle! // freH"enc! of po,er s"ppl!; f

(b)

1

11

1

1

1

T$76($ h, ! $+ 9 #-''#( "+ h $7(<

A =-o,s a table ,-ic- -ae -; s an' .

B =tate t-e correct "nit of -/cm; s/cm an' /[email protected] All al"es of - are correct .

= Ial"es of s are correct.

E Ial"es of are correct.

F All t-e al"es are consistent in 1 '.p or & '.p.

h/#* !/#* 9/#*!>1

&0.0 5.> &E.0

0.0 >.0 %0.0

%0.0 10.& 51.0

50.0 1&.5 &.5

0.0 1%.> %.0

(c)

5

='$? h '$%h -: v $$"+! h .

A @ abel !@a7is an' 7@a7is correctl!

B @ =tates t-e "nit at bot- a7is correctl!

C @ Bot- a7es ,it- t-e een an' "niform scale

D @ 5 points correctl! plotte'

F @ a smoot- best strai-t line

@ minim"m si#e of t-e rap- is 5 7 %

(=H"ares of & 7 & cm)

N6*7' -: @ S#-' 5

5 %

@%

& &

1 1

8/20/2019 Trial Sbp 2008


' 1 S$ h #-''# '($"-+!h"% 7$! -+ h#$+"$! '$%h increase linearl! to -

e 1 S$ ONE #-''# %'#$6"-+ !- $! - %'-6# $+ $##6'$ '!6( -:

h )%'"*+$-e position of t-e e!e perpen'ic"lar to t-e scale ,-en taes t-e rea'in

to aoi' errors '"e to paralla7/s!stematic error.

T-$( 1 M$'.!

2(a)

1 S$ h '($"-+!h"% 7?+ R $+ ( is 'irectl! proportional to l

(b)(i)

3

C$(#6($ h '$"+ -: h '$%h $+ !$ h 9$(6 ?"h"+ h$##%$7( '$+

=-o, t-e trianle ,it- an acceptable si#e ( % 7 % sH"ares of & cm).

S67!"6 #-''#( $##-'"+ - h #$+"$!'$%h

m 600.100

03.6

−

−

S$ h #-''# 9$(6 -: h '$"+ ?"h 6+" 6 0.0 Ωcm@1

(ii) 2 ρ 6 mA

6 0.0 7 1.5 7 10@5

6 E.5 7 10@ Ω cm

(c) (i) 2 6 1.0 Ω

(ii) 3

0.1

1

0.1

1

'

1+=

R

0.1

2

'

1=

R

∴ R’ = 0.5 Ω

(') 1 S$ ONE #-''# %'#$6"-+ !- $! - %'-6# $+ $##6'$ '!6( -:h )%'"*+$-e position of t-e e!e perpen'ic"lar to t-e scale ,-en taes t-e rea'in

to aoi' errors '"e to paralla7/s!stematic error.

T-$( 12 M$'.!

8/20/2019 Trial Sbp 2008


SECTION B

56!"-+ 3M$'.! A+!?' N-

(a) 1 Making the right inference

Acceleration 'epen's on mass

(b) 1 Building an appropriate hypothesis

$-e reater t-e mass; t-e reater t-e acceleration.

(c)(i) 1 Stating the aim of the experiment

$o st"'! t-e relations-ip bet,een t-e acceleration

an' mass of an obect "n'er constant force

(ii) 1

1

Stating the correct variables

+anip"late' ariable : +ass; m

espon'in ariable : Acceleration; a

i7e' ariable : orce

(iii) 1 List of appropriate apparatus and material

"ler; A.C. po,er s"ppl!; r"n,a!

(i) 1 Describing set up of the apparatus

)

1

1

1

Stating the procedure of the experiment

=et "p a friction compensate' trac.

Attac- a ticer tape to t-e trolle! an' pass t-e tape

t-ro"- t-e ticer timer.

2"ll t-e 1 trolle! 'o,n t-e r"n,a! ,it- t-e

elastic cor' ept stretc-e' b! t-e same amo"nt of

force.

Calc"late acceleration b! anal!sin t-e ticer tape.

epeat b! a''in ,ei-ts to t-e trolle! so t-at t-e

mass is 1.5 ; &.0 ; &.5 an' .0

ecor' 'ata

2lot an a aainst m rap- // 2lot an a aainst 1/m

rap- .

i) 1 Tabulating data

=-o, table ,it- m an' a as -ea'ins

iii) 1 Analysing data

a a

or

m 1/m

NN$-is mar ma! beien at t-e last linefor proce'"re.

T-$( 12

a.c po,er

s"ppl!

$icer tape Flastic cor'

$icer timer $rolle!

riction compensate' trac

8/20/2019 Trial Sbp 2008


56!"-+ *$'. M$'."+ S#h* $ 1 S$ $ !6"$7( "+:'+#

$-e ,ae lent- is infl"ence b! t-e 'ept- of ,ater

7 1 S$! $ '(9$+ h%-h!"!$-e ,ae lent- increases ,-en t-e 'ept- of ,ater increase.

#

1

1

1

1

1

1

1

1

=!#'"7 $ '(9$+ $+ ?-'.$7( )%'"*+$( :'$*?-'.

S$ h $"* -: )%'"*+$o st"'! t-e relations-ip bet,een t-e 'ept- of ,ater an' t-e ,ae lent-.

S$ h *$+"%6($ 9$'"$7( $+ h '!%-+"+ 9$'"$7(+anip"late' ariable : $-e 'ept- of ,ater

espon'in ariable : $-e ,ae lent-.

S$ ONE 9$'"$7( h$ .% #-+!$+

i7e' ariable : $-e freH"enc! of ,aes. .C-*%( ("! -: $%%$'$6! $+ *$'"$(!ipple tan; stroboscope; metre r"le; 2erspe7 plate an' ibrator motor

N-DA #-*%( $%%$'$6! $+ *$'"$(! *$+!, ?"h h$%%$'$6! $+ *$'"$(! $ ! -: $$ *$+"%6($ $+'!%-+"+ 9$'"$7(! #$+ 7 -7$"+ :'-* h )%'"*+

S$ h ?-'.$7( $''$+*+ -: h $%%$'$6!

S$ h *h- -: #-+'-(("+ h *$+"%6($ 9$'"$7( 1. $-e apparat"s is set "p as s-o,n in fi"re.

&. Arrane a ripple tan; an' place' a piece of perspe7,it- - 6 1.0 cm place' in t-e centre of t-e tan.

S$ h *h- -: *$!6'"+ h '!%-+"+ 9$'"$7(

8/20/2019 Trial Sbp 2008


1

1

$-e ,aes are free#e b! a mec-anical stroboscope an' t-e ,ae lent- is

meas"re' b! "sin metre r"le an' recor'e'.

R%$ h )%'"*+ $ ($! 2 "*!$-e e7periment is repeate' ,it- - 6 &.0 cm; .0 cm; %.0 cm; 5.0 cm

T$76($"+ -: $$

=%h Th ?$9 (+h

S$ h-? $$ ?"(( 7 $+$(! ?$9 (+h

N- -: P'!%)

TOTAL 12MARKS

Documents

Trial Sbp 2008