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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
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Ph!"#! P$%' 1T'"$( E)$*"+$"-+ SBP 2008
M$'."+ S#h*
1 C 2 A
2 B 2 C
3 D 28 A
A 2 B
4 B 30 B
C 31 A
B 32 A
8 D 33 C
C 3 A
10 B 34 C
11 A 3 C
12 B 3 A
13 C 38 C
1 B 3 D
14 C 0 B
1 A 1 B
1 A 2 D
18 A 3 A
1 D C
20 D 4 C21 C B
22 C B
23 B 8 B
2 A B
24 C 40 D
[ 50 marks ]
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Ph!"#! P$%' 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
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%. (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
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(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
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(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
&
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(')(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
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(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
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(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
&
&
$otal &0
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Ph!"#! P$%' 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 $7(<
A =-o,s a table ,-ic- -ae -; s an' .
B =tate t-e correct "nit of -/cm; s/cm an' /cms@1.C All al"es of - are correct .
= Ial"es of s are correct.
E Ial"es of are correct.
F All t-e al"es are consistent in 1 '.p or & '.p.
h/#* !/#* 9/#*!>1
&0.0 5.> &E.0
0.0 >.0 %0.0
%0.0 10.& 51.0
50.0 1&.5 &.5
0.0 1%.> %.0
(c)
5
='$? 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
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' 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$'.!
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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
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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(
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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