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Fizik
Kertas 2
Set B
2011
2 jam
PEJABAT PELAJARAN AERA! "ELAKA TEN#A!
LAT$! T%B$ PRRA" PERK&N#S$AN P$NTAR ' (& )
B$AN# SA$NS AN "ATE"AT$K
SEK&LA! "ENEN#A!
AERA! "ELAKA TEN#A!
SP" 2011LA! BERASRA
F$*$K
KERTAS 2
+a jam ti,a -+.+ miit
JAN#AN B%KA KERTAS S&ALAN $N$ SE!$N##A $BER$TA!%
Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah
A
1
2
3
4
5
6
7
8
B9
10
( 1112
J+m.a Besar
Kertas ii me,a+,i 24 a.ama eretak
1
1 Tulis ama dan ti,kata anda pada ruan
disediakan.
2. Kertas soalan ini adalah dalam dwibahasa.
3. Calon dibenarkan menjawab keseluruhan atau sebahasoalan sama ada dalam bahasa Inggeris atau bahasa
4 Jawapan kepada Baa,ia Ahendaklah ditulis dalam
yang disediakan dalam kertas soalan.
5 Rajah tidak dilukis mengikut skalake+a.idinyatakan
. Markah maksimum yang diperuntukkan ditunjukkankurungan pada hujung tiap!tiap soalan atau
7 "enggunaan kalkulator sainti#ik yang tiakdiprogramkan adalah dibenarkan.
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!he "ollo#ing in"ormation ma$ %e use"ul !he s$m%ols ha&e their usual meaning
2
1 a't
u$
1 $2' u2( 2as
2 s' ut ( 2
1
at2
3 Momentum ' m$
4 % & ma
5 Kineti) energ$ ' ' m$2
6 *ra&itational +otential energ$ ' mgh
7 ,lasti) +otential energ$ '2
1-.
8 Po#er/"' energ$ time
9 '(
m
10 Pressure/ p&hg
11 Pressure/p&)
%
12 eat/ ' m*
13 eat/ ' m+
14 ",(,& "2(2
15 (, & (2T1 T2
16 ", & "2T1 T2
17T
"(' )onstant
18 n 'r
i
sin
sin
2-. n & real e+th
a++arent e+th
2,. $u#
111+=
22. inear magni"i)ation/ m & $ u
23. " & , #
2/. $ & #
20. '1
a2
2. 'It
24. 5 & (
26. ( & IR
27. 5 & ( 8 Ir
3-. Po#er/" & (I
3,."
9
"
9
(
(
:
:=
32 ,""i)ien)$ '""
99
(I
(I. 100
33 e( & ' m$2
3/. 5 & m*2
30 g' 10 ms2
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Seti A
60 marks
)nswer a..;uestions
1 iagram 1 sho#s the gra+h o" &elo)it$ against time "or the motion o" a )ar
iagram 1
:a; State the +h$si)al
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2 @ raioa)ti&e sour)e an a ete)tor are use to )he)k the le&el o" "ruit Aui)e in a )arton
>artons o" "ruit Aui)e +ass %et#een the ete)tor an the raioa)ti&e sour)e/ as sho#n in
iagram 2 !he raioa)ti&e sour)e emits +arti)les .
iagram 2
:a; hat is a +arti)leC
=============================
, mark
:%; State the suita%le ete)tor to ete)t +arti)les in iagram 2
=============================
, mark
:); :i; hat ha++ene to the reaing o" the ratemeter #hen a "ull )arton o"Aui)e goes +ast the ete)tor
========================== , mark
:ii; *i&e the reason "or $our ans#er
==========================
, mark
:; ,.+lain #h$ a sour)e emmiting +arti)les is not suita%le to %e use as a
raioa)ti&e sour)e in iagram 2
============================= , mark
4
-ruit Aui)e )arton
Daiation ete)tor
Daioa)ti&e sour)e
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3 iagram 31 sho#s a +enulum %o% o" mass 06 kg is hung on the )eiling
ia,ram 31
a; En the iagram 31/ mark the ire)tion an la%el the "or)es a)ting on the threa
an the +enulum %o% #ith la%el P an 2 marks
%; !he threa is +ulle sie#a$ %$ a "or)e - / so that the threa makes an angle o"300 #ith the &erti)al line as sho#n in iagram 32
ia,ram 32
:i; En the s+a)e %elo#/ ra# the triangle o" "or)es to sho# the three "or)esP / an - are in e
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2 marks
:ii; >al)ulate the "or)e -
2marks
4 iagram 4 sho#s t#o ienti)al #ater #a&e +ulses mo&ing to#ars ea)h other a&e
inter"eren)e o))urs #hen the t#o #a&es meet at +oint ? #hile +ro+agating along the
same meium
ia,ram 4Rajah /
:a; hat is meant %$ inter"eren)eC
===============================
1 mark
6
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:i; En the %o. a%o&e / )om+lete the iagram to sho# the inter"eren)e o"
#a&es at +oint ?
1 mark
:ii; Fame the t$+e o" inter"eren)e o))urs in :%;:i;
============================
1 mark
:iii; State #hat #ill ha++en to the motion o" the )ork at +oint ?
============================
1 mark
:%; :i; @ ri++le tank is set u+ #ith t#o ienti)al i++ers in )onta)t #ith the sur"a)e o" the
#ater !he se+aration %et#een the t#o ienti)al i++ers 50 )m hen the
s#it)h is on an inter"eren)e o))urs!he se+aration %et#een t#o)onse)uti&e antinoes is 30 )m !he istan)e %et#een the antinoe +oints
an the i++ers is 100 )m >al)ulate the #a&elength o" the #ater #a&es
+rou)e
2marks
:ii; !he se+aration o" the t#o sour)es is in)rease to 80 )m hat #ill
ha++en to the istan)e %et#een t#o )onse)uti&e antinoesC
============================
1 mark
5 iagram 51 an iagram 52 sho# t#o soli s+heres @ an B #ith i""erent ensit$
+la)e in the #ater.
7
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iagram 51 iagram 52
:a; hat is meant %$ ensit$C
=============================== , mark
:%; Base on iagram 51 an iagram 51/
:i; )om+are the ensit$ o" s+here @ an s+here B
============================
, mark
:ii; )om+are the #eight o" s+here @ an s+here B
============================ , mark
:iii; )om+are the #eight o" #ater is+la)e %$ s+here @ an s+here B
============================ , mark
:i&; relate the #eight o" s+here an the #eight o" #ater is+la)e
============================
============================
, mark
:&; relate the #eight o" #ater is+la)e an u+thrust
============================
============================
, mark
:); Fame the +h$si)s +rin)i+le in&ol&e in iagram 51 an iagram 52
8
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===============================
, mark
:; State one a++li)ation o" +h$si)s +rin)i+le in 5 :);
===============================
, mark
6 iagram 61 an iagram 62 sho#s t#o ioes @ an B / t#o %ul%s P an are)onne)te to a r$ )ell #ith t#o i""erent arrangement
iagram 61 iagram 62
:a; Base on iagram 61 an iagram 62/
:i; )om+are the )onne)tion o" ioes to the terminal o" the r$ )ell
============================
1 mark
:ii; )om+are the lighting o" the %ul%s
============================
1 mark
:iii; Delate the )onne)tion o" ioes to the terminal o" the r$ )ell #ith the
lighting o" the %ul%s
============================
1 mark
9
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:%; :i; ra# the arrangement o" "our ioes an suita%le +o#er su++l$ in the
s+a)e gi&en in iagram 63 that )an %e use to +rou)e "ull #a&e
re)ti"ier )ir)uit
3 marks
:ii; ra# the #a&e "orm o" "ull #a&e re)ti"i)ation
1mark
:iii; Fame an ele)troni) )om+onent that )an %e use to smoothen the )urrent
+rou)e
============================1 mark
7 iagram 7 sho#s a t$re o" a )ar that is going to %e use to tra&el "rom Kuala um+ur to
Kuala !erengganu
iagram 7
:a; @"ter the long Aourne$/
:i; #hat ha++en to the tem+erature o" the air in the t$re
=======================
1 mark
:ii; state e other +h$si)al
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===========================
1 mark
:%; Base on the ans#ers in :a; :i; an :a; :ii;/ name the gas la# in&ol&e
========================
1mark
); Be"ore a long Aourne$/ the ri&er )he)ke the air +ressure o" his )ar t$res !he air
+ressure o" the t$res #as 200 kPa at a tem+erature 27> @"ter the Aourne$/ the air
+ressure o" the t$res #as "oun to ha&e in)rease to 230 kPa hat is the
tem+erature o" the air in the t$re a"ter the Aourne$C @ssume the &olume o" thet$re is )onstant
3 marks]
:; !he t$re in iagram 7 is not suita%le to %e use on a mu$ roa Suggest
moi"i)ations to %e one %ase on the )hara)teristi)s gi&en
:i; Sur"a)e area o" the t$re
============================
1 mark:ii; Deason
============================ 1 mark
:iii; !hetra)k o" the t$re
============================ 1 mark
:i&; Deason
11
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============================ 1 mark
8 iagram 81 sho#s a sim+le ele)tromagnet use "or li"ting an releasing a small metal
%all
iagram 81
:a; En iagram 81/ mark the ire)tion o" the )urrent "lo# in the solenoi #hen thes#it)h is on
[ 1mark]
:%; :i; Fame the magneti) +ole at the en o" the )ore P #hen the s#it)his onC
============================
1mark
:ii; State the rule use to etermine the +ole o" the magneti) "iel
12
>ore
Solenoi
Metal %all
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============================
1mark
:iii; Base on the solenoi in iagram 81/ ra# the magneti) "iel lines thatis "orm aroun the solenoi #hen the s#it)h is on En $our iagram sho#
the ire)tion o" the magneti) "iel lines
2 marks
"ateria. +se 6r te re Sa-e 6 te re
Steel
So"t iron
13
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@luminium
!a%le 8
:); Base on !a%le 8/ state the suita%le +ro+erties to %e )hosen to %uilt an
ele)tromagnet an state the reason "or $our )hoi)e
:i; Material use "or the )ore
=========================== , mark
:ii; Deason
============================
, mark
:iii; Sha+e o" the )ore
============================ , mark
:i&; Deason
============================
[ 1 mark]
:; !he ele)tromagnet in 8 :); is use in an ele)tri) %ell as sho#n in iagram 82
14
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iagram 82Rajah 6.2
,.+lain the #orking +rin)i+le o" the ele)tri) %ell
3marks
Seti B
20 marks
)nswer any e;uestion
9 @ slie +roAe)tor is use to &ie# an image "rom a slie
!he +o#er o" the lens use %$ the +roAe)tor slie is ( 5
:a; hat is meant %$ +o#er o" lensC
, mark
:%; @ stuent use a slie +roAe)tor to &ie# the image "rom the slie
hen the slie is +la)e nearer to the lens the shar+ image "orm on thes)reen as sho#n in iagram 91
hen the slie is +la)e "urther "rom the lens the shar+ image "orm on the
s)reen as sho#n in iagram 92
15
image
s)reen
lens
slie
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iagram 91
iagram 92
Base on iagram 91 an iagram 92/ )om+are the o%Ae)t istan)e/ the
image istan)e an siGe o" image that "orme on the s)reenDelate the o%Ae)t istan)e to the image istan)e an the o%Ae)t istan)e to
the siGe o" image that "orme on the s)reen
0 marks
iagram 94
:); hile ri&ing a )ar on a hot a$/ $ou ma$ see a mirage on the roa ,.+lainho# mirage o))urre
/ marks
16
image
s)reen
lens
slie
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:; iagram 95 sho#s a sim+le astronomi)al teles)o+e
iagram 95
B$ using t#o +rism an a teles)o+e in iagram 95/ suggest moi"i)ation that
)an %e one to make a %ino)ular
En $our e.+lanation/
:i; ra# the arrangement o" the +risms an lenses
:ii; ra# ra$ iagram to e.+lain ho# the image "orm
:iii; state t#o a&antages using %ino)ular )om+are to teles)o+e #hen
o%ser&ing "ar o%Ae)t on the groun
,- marks
10 :a; iagram 101 an iagram 102 sho# the relati&e motion %et#een the magnetan solenoi ,ns o" the )oils are )onne)te to a )entrereaing gal&anometer
17
N N
Centre-readinggalvanometer
magnet magnet
Solenoidgegelung
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iagram 101 iagram 102
Using iagram 101 an iagram 102/ )om+areHa%le iameterL )m ensit$L kgm3Date o"
e.+ansionMelting +oint
P 2 450 . 103 Meium igh
4 300 . 103 o# igh
D 3 545 . 103 igh o#
S 1 250 . 103
o# Meium
ou are to )hoose one o" the )a%les to %e use in the Fational *ri Fet#ork
,.+lain the suita%ilit$ o" ea)h o" the )hara)teristi)s o" the )a%les >hoose the most
suita%le )a%le an Austi"$ $our )hoi)e 10marks
:; @ +o#er o" 95 k is transmitte "rom a small #in+o#ere generator to a&illage along 6000m o" )a%les that ha&e a total resistan)e o" 1 !he +o#er is
transmitte at the usual mains su++l$ &oltage o" 240J
>al)ulate
:i; the )urrent in the )a%les
1 mark
:ii; the +o#er loss ue to the heating o" the )a%les 2 marks
:iii; the +er)entage o" loss o" +o#er
2 marks
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