skema jawapan peperiksaan pertengahan tahun 2007 physics form 4 paper 2

8/18/2019 Skema Jawapan Peperiksaan Pertengahan Tahun 2007 Physics Form 4 Paper 2

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SKEMA JAWAPAN PEPERIKSAAN PERTENGAHAN TAHUN 2007

PHYSICS FORM 4 PAPER 2

1. (a) (i) 4.4 c

(ii) ! "#$ %&'$c" "% &$ $a*$+ " &$ "%c#i,- "#$ $"*$ *$

/ a%i+ a*aa $**%*

(&) 1.3 10

0.05

4100

6400

170 c

2. (a) (i) $*,i$* cai$*

(ii) $*% $**%*

(iii) ! 0.02 c

(&) (i) Ac"a +ia$"$* 8 *$a+i,- %9 i,"*$," :#$, i, $+ ! $*%

$**%*

(ii) ac"a +ia$"$* 8 2.24 ! (/ 0.02)

8 2.26 c

;. (a) "a,+a*+ 9%* i a :a< %9 *$*$$,"i,- a ,$*ica a$ i, "#$9%* %9 A 10

(&) a*-$ ,&$* = Ki%> $-a > "$*a> -i-a

a ,&$* = ii> ic*%> ,a,%> ic%

( c ) (i) ;.4 10 A

(ii) ?.54 10 H

(iii) 3.72 10

(i) 1.23 10 @

4. (a) caa* a,"i"i$ #a$ a-,i"+$ %,< &" $c"%* a,"i"i$ #aa-,i"+$ a,+ +i*$c"i%,.

(&) caa* a,"i"< = a

$c"%* a,"i"i$ = 9*ic"i%,a 9%*c$ a,+ acc$$*a"i%,

( c) F 8 a

8 1700 N


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(+ ) Ai* *$i"a,c$

3. (a) M%"i%, %9 a, %&'$c" ,+$* "#$ i,9$,c$ %9 "#$ -*ai"a"i%,a %9

"#$ $a*"#.

(&) $*%

(c ) 2

(+) 8 B - "

8 100

6. (a) P*i,ci$ %9 c%,$*a"i%, %9 %$,"

(&) i, "#$ a$ +i*$c"i%, a "#$ +i*$c"i%, %9 "#$ &%<

( c) (43)(20) B (13)(0) 8 (43 B 13)

?0 8 60

8 1.3

(c) ,%%$* $,a"< ic

7. (a) H%%$D a:

(c ) *i,- c%,"a,">

(+) E,$*-< "%*$+ 8 0.01 J

5. (a) (i) 8

(ii) &$9%*$ c%ii%, = &%"# "$,,i &a #a$ "#$ a$ #a$

*i,- c%ii%,= c#a,-$ i, #a$ %9 %9" "$,,i &a i %*$

%&i% "#a, "#$ c#a,-$ i, #a$ %9 "#$ #a*+

"$,,i &a.

C#a,-$ i, $%ci"< i #i-#$* i9 "#$ "$,,i &a i #a*+ a,+ ic$ $*ca

P#


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skema jawapan peperiksaan pertengahan tahun 2007 physics form 4 paper 2

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