kertastiga(versiguru)

8/9/2019 KERTASTIGA(VersiGuru)

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Nota Fizik: PANDUAN UNTUK MENJAWAB SOALAN KERTAS 3 FIZIK SPM /TIPS FOR ANSWERING PAPER 3 PH SI!S SPM

KERTAS 3

Dalam Kertas 3, anda diminta untuk design satu eksperimen dan menjawab soalan-soalan berkaitan

dengan eksperimen tersebut.Ini adala untuk menguji kema iran analisis, dan kema iran ber!ikir se"ara kreati! dan kritis#K$KK%. &ntuk menjawab soalan ini dengan baik anda arus ma ir SE'&A eksperimen (ang teladijalankan di sekola .

'asa 'enjawab) * +am 3 'init.

Kertas ini diba agikan kepada dua ba agian) $a agian A dan $a agian $.

+awab SE'&A soalan di ba agian A.

+awab SAT& soalan di ba agian $.

+adi, keseluru an anda perlu menjawab 3 soalan.

$a agian A

$a agian A biasan(a lebi muda kerana soalan-soalan memerlukan anda untuk menjawab soalan berdasarkan maklumat (ang diberikan. +adi Tr( SK R untuk ba agian ini.

'anipulated ariable) Ini adala /ariable #pembole uba % (ang anda manipulate #uba %. 0astikan

ariable (ang anda pili $ 1E2 DI&$A2. +ika anda !ikir ian(a terlalu sukar untuk menguba/ariable tersebut, kemungkinan besar itu bukanla jawapann(a.

Responding ariable) ariable ini $ER&$A2 'E 4IK&T manipulated /ariable. Apabila'anipulated /ariable beruba ini juga turut beruba .

5i6ed ariable) 0embole uba ini tidak beruba . A"a #a$%ak k&'($)ki$a$ t&*"a+at ,i- "a*i.at( !i6ed /ariable dalam satu eksperimen t&ta+i +i,i- %a$) BERKAITAN "&$)a$ &k.+&*i'&$.a-a a . #"t ) Tanpan(a e6perimen tidak sa %.

'emasukkan Data) 'asukkan Data mengikut maklumat (ang diberikan dengan titik perpulu an(ang betul. ilai mestila mengikut sensiti/iti alat pengukur. "t ) 0embaris meter 7 titik perpulu an,mikrometer 3 titik perpulu an dan sebagain(a.

$A2A4IA $

$a agian $ bergantung SE0E &2 8A Kepada sejau mana anda mema ami Konsep, 2ukum atau0rinsip 5i9ik (ang tela dipelajari.

+adi, anda mesti !a am dan ta u apaka konsep !i9ik (ang diberikan berdasarkan Stimulus : 4ambar(ang diberikan. Soalan $iasan(a akan memberikan satu perenggan soalan atau gambar untukmembantu anda menjawab soalan.

I 4AT kertas 3 memerlukan anda me REKA : DESI4 satu eksperimen.
http://fiziknota.blogspot.com/2007/09/panduan-untuk-menjawab-soalan-kertas-3.htmlhttp://fiziknota.blogspot.com/2007/09/panduan-untuk-menjawab-soalan-kertas-3.htmlhttp://fiziknota.blogspot.com/2007/09/panduan-untuk-menjawab-soalan-kertas-3.htmlhttp://fiziknota.blogspot.com/2007/09/panduan-untuk-menjawab-soalan-kertas-3.html


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$a"a soalan dengan teliti dan pili soalan (ang anda benar-benar 8AKI .

a% 'aking in!eren"e ) Tulis berdasarkan apa (ang anda li at dalam soalan atau gambar.li at dan beri jawapan anda jangan risau.

b% 'aking (pot esis) T&1IS) as A in"reases, $ in"reases # atau sebalikn(a bergantung kepadaeksperimen%.

I 4AT; A mestila manipulated /ariable dan $ sentiasa responding /ariable. Tulis 'anipulated/ariable da ulu.

"% utline o! t e e6perimen)

Aim o! eksperimen) (atakan 'asala (ang anda ingin selesaikan.

ariables in t e eksperimen) 3 /ariables

Apparatus and 'Aterials "m.- Skala mesti ditulis di ba agian atas sebela kanan.- 'esti ada tajuk gra!.- 'esti ekstrapolasi gra! #jika perlu panjangkan gra! se ingga memintas paksi-(%.


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$a agian A memerlukan anda melukis gra! dengan teliti.

$a agian $ an(a memerlukan anda melukis paksi 6 dan ( dengan tajukn(a. jangan lukis gra! keranaanda tidak ada keputusann(a.

Kadangkala anda diminta untuk melukis gra! mengikut ke endak soalan dan bukann(a mengikutkebiasaan. Ikut Ke endak Soalan;

le itu, $A?A soalan dengan teliti.

Kertas 3 tidak la susa seperti (ang anda !ikirkan. selagi anda !a am dan bole mengaplikasikankonsep dan nilai !i9ik dalam diri anda. Ingat) +adila pelajar (ang bersistematik #bukan skema (a...%

TIPS FOR ANSWERING SPM PHYSICS QUESTION 2007

PAPER 3

In paper 3, yo are re! "re# $o #e%"&n an e'per"(en$ an# an%)er e'per"(en$*re+a$e#! e%$"on%

T-"% "% $o $e%$ yo r ana+y$".a+, .r"$".a+ an# .rea$"/e $-"n "n& % "++% T-"% "% a+%o $o no)-o) )e++ yo app+y an# n#er%$an# $-e p-y%".% .on.ep$ yo -a/e +earn$ In or#er $oan%)er )e++ "n $-"% paper, yo ( %$ MASTER A11 $-e e'per"(en$% +earn$ "n or( an#4 5" no$ a$ +ea%$ -a+ 6 a++ $-e "(por$an$ one%

T"(e $o an%)er8 9 Ho r 30 %e.on#%

T-"% paper "% #"/"#e# "n$o 2 %e.$"on%8 Se.$"on A an# Se.$"on :

An%)er A11 ! e%$"on% "n Se.$"on A

An%)er ONE ! e%$"on on+y "n Se.$"on :

So, Yo are $o an%)er 3 ! e%$"on% "n paper 3

SECTION A

Se.$"on A "% % a++y EASIER $o an%)er ;e.a %e $-e ! e%$"on% on+y re! "re yo $o


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Grap-%8 )"++ ;e e'p+a"ne# "n Se.$"on :

F"++ "n =a$a8 ++ "n $-e #a$a ;a%e# on $-e "n or(a$"on &"/en )"$- $-e .orre.$ #e."(a+/a+ e T-e /a+ e ( %$ ;e a..or#"n& $o $-e (ea% r"n& "n%$r (en$>% %en%"$"/"$y

SECTION :

Se.$"on : TOTA11Y #epen#% on yo r n#er%$an#"n& on a p-y%".a+ .on.ep$, pr"n."p+e, or+a) SO yo ( %$ no) a++ $-e n#er+y"n& $-eor"e% ;a%e# on $-e %$"( + %B p".$ re &"/en T-e ! e%$"on% % a++y )"++ &"/e on+y a %-or$ para&rap-, or p".$ re% $o a%%"%$ yo "n or#er$o &"/e yo $-e ;a%". "#ea on -o) $o an%)er

Re(e(;er Se.$"on : )an$% yo $o #e%"&n an E@PERIMENT

Rea# Q e%$"on% Care ++y, C-oo%e on+y $-e one $-a$ yo are .on #en$ )"$- 5I$>% ;e$$er$o an%)er a +"$$+e ;"$ on %o(e$-"n& $-a$ yo REA11Y % re an# &e$ (ar %, ra$-er $-an)r"$"n& a +on& an%)er on a $op". yo are "n =OU:T an# +o%e a++ (ar %

a Ma "n& In eren.e8 Yo ( %$ )r"$e ;a%e# on )-a$ yo %ee "n $-e ! e%$"on See an#&"/e $-e an%)er =on>$ )orry

; Ma "n& Hypo$-e%"%8 Yo ( %$ )r"$e8 a% A "n.rea%e%, : "n.rea%e%

Re(e(;er A ( %$ ;e A+)ay% Man"p +a$e# /ar"a;+e, : "% a+)ay% re%pon#"n& /ar"a;+e Yo ( %$ )r"$e A 5Man"p +a$e# /ar"a;+e r%$

. O $+"ne o an E'per"(en$8

A"( o $-e e'per"(en$8 S$a$e $-e pro;+e(B%"$ a$"on yo )an$ $o %o+/e e & $o %-o) $-a$$-e per"o# o a %)"n& o pen# + ( #epen#% on "$% +en&$-

?ar"a;+e% "n $-e e'per"(en$8 3 /ar"a;+e% 5Man"p +a$e#, Re%pon#"n&, F"'e#

Appara$ % an# Ma$er"a+%8 1"%$ A11 appara$ % an# (a$er"a+% re! "re# $-a$ yo FIN= "n+a; =on>$ p $ non%en%e %$ D%

Arran&e(en$ o Appara$ %8 ="a&ra( an# +a;e+"n& Yo ( %$ #ra) an# +a;e+ $-e#"a&ra(

="a&ra( ( %$ -a/e a ;a%e+"ne 5 an&an $era)an&*a)an& #" #ara="a&ra( MUST NOT -a/e ra(e NO .o+or $one A% ar a% po%%";+e, on+y one +"ne

# Pro.e# re8 )r"$e a..or#"n& $o %$ep%

e Ta; +a$e $-e #a$a8Man"p +a$e# ?ar"a;+e8 P $ %en%";+e /a+ eRe%pon#"n& /ar"a;+e8 1ea/e e(p$y 5=on>$ p $ any$"n& "n%"#e ;e.a %e yo are < %$#e%"&n"n& an e'per"(en$ Yo are no$ #o"n& "$, -en.e $-ere )"++ ;e no re% +$ On+ypre#".$e# re% +$

E'a(p+e o -o) $o $a; +a$e yo r #a$a Man"p +a$e# Re%pon#"n&90& 51ea/e e(p$y20& 51ea/e e(p$y30& 51ea/e e(p$y

W-en ana+y "n& #a$a8 5Par$". +ar+y "n Se.$"on A Yo ( %$ p $ $-e /a+ e a..or#"n& $o$-e "n%$r (en$>% %en%"$"/"$y


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e & )-en (ea% r"n& %"n& (e$re r +e 92 9.(, (".ro(e$er %.re) &a &e, 92 2 ((

I $-ere "% a .on#"$"on )-ere $-ere are (any #e."(a+ p+a.e% $o )r"$e #o)n,


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PHYSICS PAPER 3

Section A: Structured Item

1. In section A, students are usually required to tabulated the data in a table and plot a graph

2. A complete table must consist of:

(i) Column title that contain physical quantity, symbol and unit.

(ii) irst column (on the left) of table is normally filled !ith manipulated "ariable#

(iii) $ast column (on the right) of table is normally filled !ith responding "ariable.

(i") All "alues must be recorded by using appropriate decimal place and consistent for

each column.

1. 2 %&s2. Identify "ariables: ' , , C*. +able -o. of column based on the construct

. Identify type of graphs /irectly0 In"ersely proportional

. 34trapolation of graph

5. Calculate gradient

J5"

5"""

5""

5"""

5"/

A++ /a+ e%( %$ ;ere.or#e# ;y

%"n&appropr"a$e

TABLE


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All complete graph must contain the follo!ing:

(i) +itle of graph +he first "ariable used in the title must be used for y6a4is

34ample: +itle of graph: 7raph of +2 "ersus l

ariable + 2 must be used as label and "alues on y6a4is

(ii) $abels of 46a4is and y6a4is and units

(iii) +he "ertical and hori8ontal scales must be e"en.

(i") 9i8e of the graph must be at least of the graph paper.

(") +he "alues for the origin of the graph must be !ritten.

("i) Coordinates of the graph must be plotted !ith a small cross mar; (4)

("ii) In calculating the gradient of the graph, the triangle used for the calculation must be

dra!n on the graph !ith the si8e of at least < = 1> cm.

GRAPH

Graph of T 2 versus l


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KERTAS TIGA!o$.t*(0t1 P*o#,&' So,2i$) E4+&*&'&$ti$)5167 'a*ka-

!o$to- Soa,a$ No 81S&0tio$ A189 'a*ka-

T*ia, S&,a$)o* 77;

*. A student "arries out an e6periment to in/estigate t e relations ip between t e lengt , o! a "onstantan wireand t e potential di!!eren"e a"ross it, < . T e wire is "onne"ted to a stead( dire"t "urrent power suppl(

pro/ided b( an a""umulator. T e set up o! t e apparatus is s own in Diagram *.

T e jo"ke( is pla"ed at t e points w ere , @ 7 . "m, > . "m, . "m, B . "m and * . "m. T e readingso! t e /oltmeter are as s own in Diagram *.7, Diagram *.3, Diagram *.>, Diagram *.C and Diagram *.

below.

#a% 5or t e e6periment des"ribed abo/e, identi!(#i% t e manipulated /ariable

................................................................................................................................................ * marks#ii% t e responding /ariable

................................................................................................................................................ * marks#iii% t e "onstant /ariable

............................................................................................................................................... * marks

Note:1. Untuk men a!a" # soalan $n$% a!apann&a "era'a pa'a soalan &an(

'$"er$kan sepert$ &an( '$(ar$skan.2. 2 var$a"le telah '$ketahu$ 'an untuk menentukan man$pulate' )%

ten(ok ulan(an &an( '$"uat pa'a soalan.Ulan(an terse"utlah

man$pulate'n&a 'an var$a"le &an( satu la($ atomat$k akan men a'$respon'$n(.#. Ba($ *+e' var$a"le ka'an(,ka'an( 'alam soalan a'a '$"er$tahu

tetap$ $ka t$a'a $a memerlukan se'$k$t kno!le'(e tentan(eksper$ment $n$.

-. an(an men((unakan perkataan t&pe/0ontohn&a t&pe of !$re t&pe of po!er suppl&

="a&ra( 9


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*73 #b% Determine t e /oltage, < w en t e lengt o! t e "onstantan wires, , @7 . "m, > . "m, . "m, B .

"m and * . "m respe"ti/el(. Tabulate (our results !or , and < in t e spa"e below.

C marks

Note:1. L$hat "etul,"etul skala "a($ set$ap alat pen(ukur.2. $ka alat pen(ukur "oleh mem"a0a 2 tempat perpuluhan%

past$kan 'alam ruan(an ta"ulate' the 'ata a'a 2 tempatperpuluhan.Be($tu u(a kalau satu tempat perpuluhan.

Note:1. L$hat khen'ak soalan apa &an( hen'ak '$ a'ualkan. 3epert$

soalan '$ atas han&a 2 saha a l an' )

2. Past$kan set$ap 0olumn a'a s$m"ol 'an un$t#. Past$kan tempat perpuluhan &an( "etul men($kut alatpen(ukur.

-. Past$kan set$ap 0olumn 0ons$sten0& &an( sama /tempatperpuluhan sama

4. $ka 0olumn &an( seterusn&a a'alah se0on'ar& value% past$kann$la$ tempat perpuluhan le"$h satu "er"an'$n( pr$mer value.


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#"% n t e grap paper on page 7C, plot a grap o! against , C marks

#d% $ased on t e grap , state t e relations ip between and ,

FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF * marks

#e% T e e6periment is repeated using t i"ker "onstantan wire.

#i% G at appens to t e /oltmeter readings w en t e jo"ke( is pla"ed at , @ 7 "mH Assume t e "urrent t at!low t roug t e wire is "onstant.

. FFFFFFFFFFFFFFFFFFFFFFFF.......................................FFFFFFF

#ii% 4i/e a reason !or (our answer.

FFFFFFFFFFFFFFFFFFFFFFFFF............................FFFFFF 7 marks

Note:1. Ten(ok ta uk (raf &an( '$"er$% Perkataan &an( 'ulu a'alah

paks$ 5 'an seterusn&a paks$ 6. B$asan&a respon'$n( a'alah

paks$ 5 'an man$pulate' a'alah paks$ +2. 3et$ap paks$ past$kan a'a s$m"ol 'an un$t.#. Past$kan sekala sera(am% no t$'ak (an $l-. Plot t$t$k 'en(a tan'a 6% "uat "esar,"esar/2+2 kotak ke0$l .4. Gar$s (una pem"ar$s $ka nampak hamp$r lurus% (unakan

freehan' $ka len(kun(. B$asan&a lurus.7. Gar$s mest$ sentuh paks$ 5 8. 3a$9 (raf mest$ memenuh$ kertas (raf. an(an Buat ke0$l./8 ;

sa$9 kertas (raf

Note:1. Gunakan a&at sepert$ &( telah '$a ar "er'asarkan "entuk (raf

&an( '$peroleh$.

Note:2.


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arks

Ans!er

5a 5" 9 3tat$n( the 0orre0t man$pulate'var$a"le.1en&$- o )"reBB +

5"" 9 3tat$n( the 0orre0t respon'$n(var$a"le.Po$en$"a+ #"Deren.eBB ?o+$a&eBB ?

5""" 9 3tat$n( a 0orre0t *+e' var$a"le. T-". ne%% o )"reBB re%"%$"/"$y o )"reBB$ype o )"re

Ta"ulat$n( results of the e+per$ment /4 marks9 1a;e+% l an# ? are %-o)n2 Corre.$ n"$ or l an# ?3 A++ rea#"n&% o l are .orre.$ to one 'e0$mal pla0e

M"n"( ( 3 .orre.$ rea#"n&% or ? $o 9 or 2 #e."(a+ p+a.e4 A++ rea#"n&% o ? are .orre.$ $o 9 #e."(a+ p+a.e

Len(th%l 0m

Po$en$"a + #"Dr,?B?

20 0 0 or 0 00 0 0 K or 0 K00 0 9 2 or 9 20

L0 0 9 or 9 0900 0 9 K or 9 K0

Plott$n( the l a(a$nst ? (raph /4 marks9 A ? on $-e y*a'"% an# l on $-e '*a'"%2 : Un"$% %$a$e# or ;o$- l an# ? .orre.$+y3 C T-e %.a+e% on ;o$- a'e% are re& +ar an# no$ an o## %.a+e

= 4 po"n$% p+o$$e# .orre.$+y from ta"le 5rea#"n& "% )ron&, p+o$$"n& ro( $a;+e.orre.$, (ar .an ;e &"/en4 E 3 po"n$% p+o$$e# .orre.$+y from ta"le

F 1"ne o ;e%$ $7 G Grap- %" e a ("nI( ( o 4 54 ;o'e% on y*a'"%, ;o'e% on '*a'"%

5# 9

3tat$n( the 0orre0trelat$onsh$p? "% #"re.$+y propor$"ona+ $o lBB ? l

5e5"5""

9 9

?o+$(e$er rea#"n& #e.rea%eRe%"%$an.e #e.rea%e


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LATIHAN 81=8:SBP 77;

* A student "arries out an e6periment to in/estigate t e relations ip between t e obje"t distan"e, u, imagedistan"e, /, and !o"al lengt , !, o! a "on/e6 lens. T e apparatus is set up as s own in Diagram *.*

Diagram *.*

At t e beginning, t e obje"t is pla"ed at t e distan"e o! > . "m !rom t e lens. T e s"reen is adjusted to!ind t e s arp image. T e image distan"e is t en measured b( using t e metre rule.

T e abo/e pro"edure is repeated b( /ar(ing t e /alues o! u to be 3C. "m, 3 . "m, 7C. "m and 7 . "m. Diagram *.7, *.3, *.>, *.C and *. s ow t e end o! t e metre rule w en t e image distan"e, v, is measured. Not& : Fo* &a0- "ia)*a'> t-& '&a.(*&'&$t o? t-& i'a)& "i.ta$0&> v i. .ta*t&" ?*o' t-& z&*o 'a*k o?

t-& '&t*& *(,&@5


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#a% 5or t e e6periment des"ribed abo/e, identi!()

#i% T e manipulated /ariable

FFFFFFFFFFFF.................................FFF...........................................F.. * mark

#ii% T e responding /ariable

FFFFFFFFFFFFFFFF.....................FFFF.............................................. * mark

#iii% T e "onstant /ariable

FFFFFFFFFFFFFFF....................FFFFF................................................ * mark

#b% $ased on diagram *.7, *.3, *.>, *.C and *. , determine image distan"e, v w en t e obje"t distan"e, u. is e ual to > "m, 3C "m, 3 "m, 7C "m and 7 "m.

Tabulate t e /alues o! u, v,u

* and

v

* in t e spa"e below.

marks

#"% n t e grap paper, plot a grap o!v

*against

u

*

C marks

#d% $ased on (our grap , state t e relations ip betweenv

* and

u

*

FFFFFFFFFFFFFFFFFFF.....................................................................FFFF


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* mark#e% Stateo$& pre"aution t at s ould be taken to impro/e t e results o! t is e6periment.

FFFFFFFFFFFFFFFFFFFFF.....................................................................FF * mark


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17/49


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!o$to- Soa,a$ No 1S&0tio$ A18 'a*ka-

T*ia, S&,a$)o* 77;

@An e6periment to in/estigate t e time taken, t b( a metal sp ere !alling !rom a eig t, h was "ondu"ted. T egrap o! h against t 7 is in Diagram 7.*.


19/49

#a% $ased on t e grap against t 7 on page 7J,#i% state t e relations ip between h and t,

.......................................................................................................................................... *m arks

*#ii% determine t e time taken, t b( t e sp ere w en dropped !rom a eig t,h @ >>. "m. S ow on t e grap ow (ou determine t e /alue o! t

t @ FFFFFFFF 3marks

b% ?al"ulate t e gradient o! t e grap .S ow on t e grap , ow (ou "al"ulate t e gradient.

3marks

#"% T e motion e uation o! a !alling obje"t wit an initial /elo"it(, u is gi/en as

* #i% State t e initial /elo"it(, u o! t e sp ere.

...................................................................................................................................................................... *marks

Note:

1. FNGAT% soalan relat$onsh$p "ase' on (raf past$kan (unakan a&atsepert$ '$re0tl& propot$onal% $n0rese l$nerall& 's". A&at Penuh

Note:1. Past$kan a'e (ar$san &an( '$"uat "ermula 'en(an h -- terus

ke (ar$san 'an kemu'$an ke paks$ +. Tun ukkan n$la$n&a 'alamkertas (raf.

2. Tul$s n$la$ t 2 'alam ruan(an a!apan 'an


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#ii% $( using t e gradient o! t e grap in #b% and e uation in #"%, "al"ulate t e gra/itational a""eleration, g .

3marks

#d% Stateo$& pre"aution t at s ould be taken in t is e6periment to impro/e t e a""ura"( o! t e readings in t e

e6periment

. FFFFFFFFFFFFFFFFFFFFFFFFFFFFFF...................FFFFFFF.

FFFFFFFFFFFFFFFFFFFFFFFFFFFF....................FF...................FFF1 marks

=uest$on 2

>arks Ans!er

5a 5" 9 - "% #"re.$+y propor$"ona+ $o $2 BB - $25"" 9

99

9 S-o) on &rap- )"$- appropr"a$e /er$".a+ an#Bor -or" on$a+ +"ne .orre%pon#"n& $o .(

2 $2 0 0LL3 $ 50 2K *0 30 %

5; 3 9 =ra)"n& $-e &ra#"en$ $r"an&+e Tr"an&+e %" e a ("n"( (o L/er ' L -or o .(2 S ;%$"$ $"on 5/a+ e% ro( %$ #en$>% $r"an&+e3 An%)er )"$- .orre.$ n"$ 4 0ms ,2

5. 5" 5"" 93

0 (% *99 S-o) $-a$ - 9B2& $ 2 2 S ;%$"$ $"on o $-e &ra#"en$ & 4003 An%)er )"$- .orre.$ n"$ 1 0ms,2 or 1 ms,2

5. 9 W-en (ea% r"n& $-e /a+ e% o -, (a e % re $-e eye% areperpen#". +ar $o $-e %.a+e on $-e (e$re r +e $o a/o"#

para++a' error U>LAH 12

Note:1. 3oalan $n$ le"$h kuran( sama ma0am soalan l$near la! 'alam

a''mate.2. Gunakan persamaan &an( '$"er$ untuk "an'$n(kan 'en(an

(raf. B$asan&a kesamaan &an( perlu '$0ar$ a'alah pa'ake0erunan 'an u(a &,$nter0ept.

Note:Gunakan 2 a&at $n$ saha a....

1. The pos$t$on of e&e must "e pepen'$0ular to the s0ale rea'$n( toav$o' paralla+ error/tak "oleh (una kalau measur$n( $nstrumenta'alah '$($tal stop!at0h

2. Repeat the e+per$ment t!$0e% then 0al0ulate the evera(e to (et


21/49

LATIHAN 81 Mi"t&*' T SBP 788

. A student "arries out an e6periment to in/estigate t e relations ip between pressure, P and dept ,h o! a li uid = at sea le/el.Seorang pelajar menjalankan eksperimen untuk menyiasat hubungan diantara tekanan, P dankedalaman, h bagi cecair pada aras laut.

pressure P is determined using t e !ormula )Tekanan P ditentukan dengan mengunakan rumus :

P @ P liquid P atm

G ere P liquid @ pressure b( "olumn o! li uid =, P atm @ atmosp eri" pressure Dimana 0 "e"air @Tekanan oleh turus cecair X, P atm Tekanan atmos!era

#a% $ased on t e grap in Diagram 7.*, determine t e atmosp eri" pressure, P atm w en @ m. "erdasarkan gra! pada rajah #.1, tentukan tekanan atmos!era , P atm bila h $ m.S ow on t e grap , ow (ou determine t e /alue o! t e atmosp eri" pressure.

Tunjukkan pada gra!, bagaimana anda menentukan nilai tekanan atmos!era .

P atm @ FFFFFFFFFFFF........ 7 marks#b% T e densit( o! t e li uid "an be determined !rom t e !ormula

%etumpatan cecair boleh ditentukan dengan mengunakan rumus

$.$1# k w ere k is t e gradient o! t e grap P against h Dimana k ialah kecerunan bagi gra! P la&an h

#i% ?al"ulate t e gradient, k o! t e grap P against h. S ow on t e grap ow (ou determine k .

'itung kecerunan, k bagi gra! P la&an h .Tunjukkan pada gra! bagaimana anda menentukan k.

k @ FFFFFFFFFFFF........> marks

#ii% Determine t e densit( o! li uid,

Tentukan ketumpatan bagi cecair, @ FFFFFFFFFF.... kgm -3* mark

#"% $ased on t e grap on Diagram 7.*, determine t e pressure, P e6erted on t e li uid w en t edept o! li uid, h @ .> m

"erdasarkan kepada gra! pada gambarajah #.1, tentukan tekanan, P yang dikenakan di atas cecairbila kedalaman, h $.( m

P @ FFFFFFFFFFFF........ 7 marks


22/49

#d% #i% I! t e li uid = is repla"ed wit a denser li uid 8, w at will appen to t e /alue o! k H )ika cecair X digantikan dengan cecair * yang lebih tumpat, +pakah yang akan terjadi pada nilai k

FFFFFFFFFFFF...........................................................................................................* mark

#ii% E6plain (our answer.Terangkan ja&apan anda.

FFFFFFFFFFFFFFFFFF....................................................................................* mark

#e% Stateo$& pre"aution t at s ould be taken to impro/e t e results o! t is e6periment. -yatakan satu langkah berjaga jaga yang patut diambil untuk meningkatkan keputusan eksperimen.

FFFFFFFFFFFF............................................................................................................* mark

SOA1AN 9 6QUESTION 2NO >ark$n( 30heme MAR S25a

25; 5"

25; 5""

25.

25# 5"

25# 5""

25e

3ho! on the (raph3tate the value of Patm 0orre0tl&9 0 ' 904 N(*2

ra! the tr$an(le on the (raph/m$n$mum 0m + 0m3ho! the su"st$tut$on 0orre0tl&@orre0t ans!er

9 30 '904 * 9 34 '904 @orre0t un$t.N(*3

@orre0t ans!er94 0 * 9 20

3ho! on the (raph3tate the value !$th the 0orre0t un$t9 '904 N(*2

3tate the 0han(es 0orre0tl&k )"++ "n.rea%e

G$ve the 0orre0t e+planat$on T-e pre%% re e'er$e# ;y $-e +"! "# "n.rea%e%

3tate the pre0aut$on 0orre0tl& T-e po%"$"on o Eye% "% perpen#". +ar $o $-e %.a+e o rea#"n&a% $o a/o"# para++a' error BB Repea$e e'per"(en$ $)".e% an#

n# $-e a/era&e $o "n.rea%e $-e a.. ra.y

2

9

2

9

9

9


23/49


24/49

LATIHAN 1= : T&*&$))a$( 787

A student "arries out an e6periment to in/estigate t e relations ip between potential di!!ereen"e/ a"ross t e terminal o! t e batter( and t e "urrent, 0. T e result o! t e e6periment is s own in t e grap o! /against 0 below.

#a% $ased on t e grap in Diagram 7. Aim To !ind t e relations ip between ' and RTo !ind t e relations ip

between t e ' and t e R

#"%#i%To !ind t e relations ip betweena""eleration and t e mass o! anobje"t.

C. ariable

Ma$i+(,at&"


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B. 0ro"edure

Grite in passi/e !orm M pasttense.

T e pro"edures must in"lude)o 'et od o! measuring t e

!irst /alue o! ' .o 'et od o! measuring t e

Ro Repetition o! e6periments

using at least anot er > '

Grite down t e pro"edures

#?%# /%T e apparatus is set up ass own in t e !igure.

#i% t e ti"ker timer w i"is "onne"ted to t e *7 a.".

power suppl( is started andt e trolle( is pulled down t erunwa(.T e elasti" "ord is

alwa(s maintained at t esame lengt and parallel witt e trolle(.

#ii% T e ti"ker obtained is "ut intoC-ti"k strips and a tape " art!or t e motion o! t e trolle( ismade. T e a""eleration o! t etrolle(, a, is "al"ulated andre"orded.

#iii% T e steps are repeated wit 7and t en 3 identi"al trolle(ssta"ked up. 5or ea" "ase, t eelasti" "ord is kept stret" ed

until t e end o! t e runwa(.

J. Tabulation o!data

Draw t e basi" table to re"orddata Draw table to re"ord data

#?%#/i%

* . Anal(sis o!data

Sket" t e grap wit suitableuantities.

#/ii%t e grap o! a""eleration, a againstm #or a against *:m% is plotted.#* point will be gi/en !or EIT2ER #a% writing) Ot e grap o!a a)ai$.t' #or a a)ai$.t 8/' % is plottedP ,or#b% an( o! t ese )*a+- .k&t0-&. .A11 labels must be present.%

'ass, m :number o!trolle(

*:m A""eler ation, a :"m s -7

*73>C

Nor(a++y ( %$-a/e a ("n"( (

o 4 $r"a+%B#a$a


35/49

SEKOLAH MENENGAH KEBANGSAAN ELOK K!MBARPH SI!S

PAPER 3 SE!TION B5 8 MARKS5Ma*ki$) S0-&'&

It&' T&0-$i (&. o? C*iti$)I$?&*&$0* mark%

T e ' a!!e"ts t e R RT e R depends on t e ' .

H%+ot-&.i.#* mark%

G en t e ' in"reases, t e R in"reases also

' in"rease R in"rease : de"rease

#'ust be "orre"t i! wrong (ou will lost a lot o! marks%Ai' #* mark% To in/estigate t e relations ip between t e ' wit t e R .


36/49

5igure * 5igure 7

&sing t e in!ormation on t e !is erman and is e6perien"e,#a% make one suitable in!eren"e< * mark#b% state one appropriate (pot esis t at "ould be in/estigated< * mark#"% design an e6periment to test (our (pot esis stated in #b%.* s ows t e inter!eren"e pattern o! mono" romati" lig t a!ter passing t roug a double slit.Same e6periment is repeated b( using longer wa/elengt o! mono" romati" lig t. T e result is s ownin Diagram >.7

3ajah (.1 menunjukkan corak inter!erens cahaya monokromat selepas melalui satu d&icelah. 2ksperimen yang sama diulang dengan menggunakan cahaya monokromat yang mempunyai panjang gelombang yang lebih panjang. %eputusannya ditunjukkan dalam 3ajah (.#.

+B.(

T5 o?%


41/49

$ased on t e in!ormation and obser/ation abo/e ) "erdasarkan maklumat dan pemerhatian di atas:

5# State o$& suitable in!eren"e. -yatakan satu in!erens yang sesuai. 1 marks

5e State o$& suitable (potesis. -yatakan satu hipothesis yang sesuai. 1 marks

5 Git t e use o! apparatus as sour"e o! lig t, "olour !ilter, s"reen, single slit, double slit and ot er apparatus, des"ribe an e6periment !ramework to in/estigate t e (pot esis stated in >#b%. In (our des"ription, state "learl( t e !ollowing )

Dengan menggunakan radas seperti sumber cahaya, penapis ber&arna, skrin, celah tungga,d&icelah dan lain lain radas, terangkan satu rangka kerja eksperimen untuk menyiasat hipotesis

yang anda nyatakan dalam (4b6 Dalam penerangan anda jelaskan perkara berikut :

/iii% Aim o! t e e6periment.Tujuan eksperimen.

i6% ariables in t e e6periment. Pembolehubah yang terlibat.

6% 1ist o! apparatus and materials.Senarai radas dan bahan

6i% Arrangement o! t e apparatus.Susunan radas.

6ii% T e pro"edure o! t e e6periment w i" in"lude t e met od o! "ontrolling t e manipulated/ariable and t e met od o! measuring t e responding /ariable.

Prosedur eksperimen termasuk kaedah menga&al pembolehubah dimanipulasikan dankaedah mengukur pembolehubah bergerak balas.

6iii% T e wa( (ou would tabulate t e data. Penjadualan data.

6i/% T e wa( (ou would anal(se t e data.=ara menganalisis data. * marks

JaCa+a$

#a% I$?&*&$0&T e distan"es between two "onse"uti/e brig t !ringes depends on t e wa/elengt o! lig t *

#b% H%+ot-&.i.

T e ig er t e wa/elengt t e ig er t e distan"e between two "onse"uti/es brig t !ringes*

#"%#i% Ai'To in/estigate t e relations ip between t e wa/elengt and t e distan"es between two"onse"uti/es brig t !ringes.

*

#ii%


42/49

a5'a$i+(,at&" : Ga/elengt o! lig t:"olour o! lig t#5*&.+o$"i$) : distan"es between two "onse"uti/e brig t !ringes05?i4&" : distan"e o! slit,

*

#iii% Li.t o? a++a*at(. a$" 'at&*ia,.Sour"e o! lig t, "olour !ilter, s"reen, single slit, double slit and metre rule

*

#i/% A**a$)&'&$t o? t-& a++a*at(.

*

#/% P*o0&"(*& o? t-& &4+&*i'&$t C-i0- i$0,("& t-& '&t-o" o? 0o$t*o,,i$) t-&

'a$i+(,at&" 2a*ia#,& a$" t-& '&t-o" o? '&a.(*i$) t-& *&.+o$"i$) 2a*ia#,&@

*% A green (suppose value % !ilter is pla"ed between t e lig t sour"e and t e slits. T esour"e o! lig t is swit" ed on.

7% T e distan"e between two "onse"uti/e brig t !ringes is measured b( using meter ruler

3% T e e6periment is repeated C times !or wit di!!erent "olour !ilters < red, (ellow, blueand /iolet #state t e /alue%

*

*

*

#/i% Ta#(,at& t-& "ata/0'

4/0'

*

#/ii% A$a,%.& t-& "ata

*

TOTAL 8

>. Diagram s ows a step down trans!ormer. A primar( "oil is "onne"ted to t e input suppl(7> a.". Diagram >.*#a% and diagram >.*#b% s ows a bulb t at is "onne"ted to a se"ondar("oil. It is obser/ed t at t e brig tness o! t e bulb in diagram >.*#b% is brig ter t an in diagram>.*#a%.

3ajah menunjukkan sebuah trans!ormer injak turun. 8egelung primer disambungkan kepada bekalankuasa #($/ a.u. 3ajah (.14a6 dan (.14b6 menunjukkan mentol disambungkan kepada gegelung

sekunder. Pemerhatian mendapati baha&a kecerahan mentol dalam rajah (.14b6 adalah lebih terangberbanding dengan rajah (.14a6.

4/0'

/0'


43/49

$ased on t e in!ormation and t e obser/ation abo/e)

"erdasarkan maklumat dan pemerhatian di atas

#a% Stateo$& suitable in!eren"e -yatakan satu in!erens yang sesuai .

1 mark #b% State one suitable (pot esis .

-yatakan satu hipotesis yang sesuai. 1 mark

#"% Git t e use o! apparatus su" as "oil, /oltmeter, two pie"es so!t iron "oreand ot er suitable apparatus, des"ribe an e6periment !ramework toin/estigate t e (pot esis stated in >#b%. In (our des"ription, state "learl(t e !ollowing )

Dengan menggunakan radas seperti &ayar gelung, voltmeter, # batang teras besilembut dan lain lain radas yang sesuai, teangkan satu rangka kerja eksperimenuntuk menyiasat hipotesis yang anda nyatakan di >#b5. Didalam penerangananda, nyatakan dengan jelas yang berikut:

4i6 Aim o! t e e6periment Tujuan eksperimen

4ii6 ariables in t e e6periment Pembolehubah dalam eksperimen

4iii6 1ist o! apparatus and materials.Senarai radas dan bahan

#i/% Arrangement o! t e apparatus Susunan radas

Pr"(er Co"+

="a&ra( 9 5a="a&ra( 9 5;


44/49

4iv6 T e pro"edure o! t e e6periment w i" in"ludes t e met od o! "ontrolling t e manipulated /ariable and t e met od o! measuring t e responding /ariable.

Prosedur eksperimen termasuk kaedah menga&al pembolehubahdimanipulasikan dan kaedah mengukur pemblehubah bergerak balas.

4v6 T e wa( (ou would tabulate t e data =ara anda akan menjadualkan data

4vi6 T e wa( (ou would anal(se t e data . =ara anda akan menganalisis data

1$ marks

4(a) 8

Stat& a .(ita#,& i$?&*&$0&T e number o! turns o! wire in t e se"ondar( "oil a!!e"ts t e output /oltage

(b)8

Stat& a *&,&2a$t -%+ot-&.i.T e greater t e number o! turns o! wire in t e se"ondar( "oil, t e greater t eoutput /oltage

(c)8

Stat& t-& ai' o? &4+&*i'&$tTo in/estigate t e relations ip between number o! turns o! wire in t e se"ondar("oil and t e output /oltage

8

Stat& t-& 'a$i+(,at&" 2a*ia#,& a$" t-& *&.+o$"i$) 2a*ia#,&

Manipulated : number o! turns o! wire in se"ondar( "oil, Responding : output /oltage, /

8Stat& ONE 2a*ia#,& t-at k&+t 0o$.ta$tT e number o! turns o! wire in t e primar( "oil

8 !o'+,&t& ,i.t o? a++a*at(. a$" 'at&*ia,.Voltmeter, coil, soft iron core, au power supply

8

Arrangement of apparatus :


45/49

8

8

8

Stat& t-& '&t-o" o? 0o$t*o,,i$) t-& 'a$i+(,at&" 2a*ia#,&*. T e set up o! t e apparatus is as s own in !igure abo/e.7. * turns o! wire is wound on t e se"ondar( "oil o! a trans!ormer.

Stat& t-& '&t-o" o? '&a.(*i$) t-& *&.+o$"i$) 2a*ia#,&3. T e swit" is on and t e output /oltage is measured b( using a /oltmeter.

R&+&at t-& &4+&*i'&$t at ,&a.t 6 ti'&.T e e6periment is repeated b( winding t e wire on se"ondar( "oil wit 7 turns,3 turns, > turns and C turns.

8

Tabulation of data: umber o! turns o! wire in

se"ondar( "oil, utput /oltage, / >

8

Analyse the data .

Tota,'a*k.

8


46/49

LAMPIRAN 3028SI?S S0' 0A0ER 3 N&ESTI A A81ISIS

SE?TI $

! TOPI! NO T e E!!e"t o! a 5or"e > a""eleration# S7-7 B% !or"e mass

C a""eleration mass !or"e

7.C Impulse And Impulsi/e5or"e dept eig t o! mass mass

7. 4ra/it( L time taken weig t eig t

7.L 5or"es In E uilibrium B

7.B Gork, Energ(, 0ower andE!!i"ien"( J work done distan"e mass

7.J Elasti"it( * e6tension o! spring #S*-7 C% !or"e spring "onstant

** e6tension o! spring #S7-7 L%diameter

spring:wire:lengt o! spring

!or"e:weig t

3

FOR!E AND PRESSURE

3.* 0ressure *7 dept #7 >:7 B% area o! metal blo"k weig t

3.7 0ressure in 1i uids *3 water distan"e dept densit( o! water

*> lengt di!!eren"e dept densit(

*C dept o! water la/el densit( dept o! t istle !unnel

3.3 4as and Atm 0ressure * pressure time densit( o! mer"ur(

3.> 0as"al 0rin"iple *L eig t o! big piston area og big piston !or"e:area small piston

3.C Ar" imedes 0rin"iple *B weig t:/olume o! water displa"e mass:weig t obje"t densit( o! water

*J weig t:/olume o! water displa"e densit( mass:weig t obje"t

3. $ernoulli 0rin"iple 7 water la/el speed densit( o! water


47/49

6

HEAT

>.* T ermal In E uilibrium 7 rise in temperature time mass o! water

>.7 Spe"i!i" 2eat ?apa"it( 7* rise in temperature #S7-7 >% mass time

>.3 Spe"i!i" 1atent 2eat 77 rise in temperature densit( material time

>.> T e 4as 1aws 73 pressure#7 C% /olume temperature

7> pressure:/olume #S*-7 )

? arles 1aw% temperature pressure:/olume

LIGHT

C.* Re!le"tion ! 1ig t 7C angle o! re!le"tion angle o! in"ident lig t intensit(

C.7 Re!ra"tion ! 1ig t 7 angle o! re!ra"tion angle o! in"ident lig t intensit(

7L apparent dept #7 L% real dept si9e o! an obje"t

C.3 Total Internal Re!le"tion 7B angle o! re!ra"tion:re!le"tion angle o! in"ident densit( o! blo"k

C.> 1enses 7J image distan"e obje"t distan"e !o"al lengt

TOPI! NO

*.7 Re!ra"tion o! wa/es > wa/elengt dept densit( o! water

*.3 Di!ra"tion o! wa/es

*.C Inter!eren"e o! wa/es C 6 wa/elengt a

distan"e:6 !re uen"( a

*. Sound wa/es L distan"e:6 !re uen"( a

*.L Ele"tromagneti" wa/es B wa/elengt "olour#di!!ra"tion% t i"kess

ELE!TRI!IT

7.* Ele"tri" !ields and " arge!low J "urrent#7 B% speed /andegra!! si9e /andegra!!

* temperature#7 L% "urrent /oltage

7.7 m 1aw ** potential di!!eren"e #S7-7 % ele"tri" "urrent lengt o! "onstatantwire

*7 resistan"e #S>-7 >, S7-7 C#Diameter%, S*-7 L%lengt :"rossse"tional

area:temperaturelengt :"rossse"tional

area:temperature7.3 Series and parallel "ir"uits *3 /oltage a"ross resistor no o! resistor#7 o m

ea" %/oltage suppl(#Siries?ir"iut%


48/49

7.> E'5 and InternalResistan"e *> /oltage a"ross "ell time same baterr(

7.C Ele"tri"al energ( and power *C power /oltage "urrent

"urrent eig t mass load

ELE!TROMAGNETISM

3.* 'agneti" e!!e"t o! ??? * strengt o! ele"tromagnet number o! turn o! "oil "urrent

*L strengt o! ele"tromagnet "urrent number o! turn

3.7 T e 5or"e on a ??? in amagneti" !ield *B distan"e tra/el:!or"e magneti" strengt "urrent

*J distan"e tra/el:!or"e#7 B% "urrent magneti" strengt

3.3 Ele"tromagneti" indu"tion 7 "urrent#7 C% speed magneti" strengt

7* "urrent no o! turn:magneti"strengtmagneti" strengt : noo! turn

3.> D? and A?

3.C Trans!ormers 77 indu"ed "urrent:/oltage no o! turn !or se"ondar("oilno o! turn !or primar("oil

73 !re uen"( no o! turn !or primar(:se"ondar( "oil so!t iron:seloinoid

3. 4eneration and transm

;

ELE!TRONI!S

>.* ?at ode ra( os"illos"ope 7> angle o! de!le"tion magneti" strengt /oltage suppl(

>.7 Semi"ondu"tor diodes

>.3 Transistors

>.> 1ogi" gates

87

RADIOA!TI 1 mar;D

-o. +ype of e4perimentin"ol"ing#

?recautions that can be ta;en

1 $ight a. 34periment must be carried out in dar;enedroom.

b. $ens, screen and obEect must be in linec. A"oid paralla4 error by placing the eye such

that the line of "ie! is perpendicular to thescale of the ruler.


49/49

2 9pring a. ma;e sure the spring is not loaded beyondthe elastic limit. (spring return to originallength !hen load is ta;en off).

b. A"oid paralla4 error by placing the eye suchthat the line of "ie! is perpendicular to thescale of the ruler.

* 3lectric a. All connections must be secure0tight.b. ff the s!itch after readings are ta;en to

pre"ent !ires from heating up (resistanceincrease)

c. A"oid paralla4 error by placing the eye suchthat the line of "ie! is perpendicular to thescale of the ammeter0 "oltmeter.

. Feat a. $iquid must be stirred constantly so thattemperature rises e"enly.

b. Alluminium bloc; must be !rapped !ith

insulating material to pre"ent heat lost.c. +hermometer bulb should be smeared !ith oilto gi"e better thermal contact !ith the bloc;.

d. A"oid paralla4 error by placing the eye suchthat the line of "ie! is perpendicular to thescale of the thermometer.

'easuring instrumentssuch as ammeter,"oltmeter, metre rule ...

a A"oid paralla4 error by placing the eye suchthat the line of "ie! is perpendicular to thescale read. (for ammeter0"oltmeter0measuringcylinder etc)

; +a;e into account 8ero error of instrument.

(for calipper0micrometer0!eight scale etc.).

* [Student can give more than one answer for this question. No penaltyfor the answer which is unsuitable]

* un"ccept"+#e "ns,er A"oid paralla4 error. [without any further explanation]

kertastiga(versiguru)

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