1. fizik k2 set b soalan.doc

8/14/2019 1. FIZIK K2 SET B SOALAN.doc

1/23

4531/2

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.


2/23

!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


3/23

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


4/23

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


5/23

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


6/23

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


7/23

: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


8/23

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


9/23

===============================

, 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


10/23

:%; :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


11/23

===========================

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


12/23

============================ 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


13/23

============================

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


14/23

@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


15/23

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


16/23

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


17/23

:; 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


18/23

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

EN &F 8%EST$&N PAPER

1. fizik k2 set b soalan.doc

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