Peraturan Pemarkahan Fiziksbp f4 2010 Edit

8/10/2019 Peraturan Pemarkahan Fiziksbp f4 2010 Edit

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PERATURAN PEMARKAHAN

FIZIK

SOALAN PEP AKHIR TAHUN TING 4 (SBP) 2010

MARKING SCHEME PAPER 1

1 C 14 C 27 B 40 D

2 D 15 B 28 D 41 B

3 D 16 B 29 D 42 D

4 C 17 A 30 A 43 D

5 C 18 B 31 A 44 A

6 A 19 C 32 A 45 B

7 C 20 D 33 C 46 A8 C 21 D 34 B 47 A

9 D 22 B 35 B 48 D

10 B 23 C 36 C 49 D

11 C 24 D 37 A 50 B

12 B 25 B 38 C

13 D 26 B 39 B


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NO MARKING CRITERIA MARK

SUB TOTAL

QUESTION 1

1 (a) Electric current 1

4

(b) 0 - 0.5 A 1

(c) 1

(d) !e "#$iti#n #% t!e e&e 'u$t be "er"endicular t# t!e $cale #% t!e

a''eter

1

QUESTION 2

2. (a)(i) Dra air re$i$tance 1

5

(ii) Enine t!ru$t * +#rce , 1

(b) (i) + * 3200 2000 * 1200 1

(ii) + * 'a1200 * 1000a

a * 1.2 '$-21

1

QUESTION 3

3. (a) /raitati#nal %#rce actin #n an #bect. 1

6

(b) De"t! den$it& accelerati#n due t# rait& 1

(c) (i) ei!t #% ater di$"laced * * 1000 1.5 10 * 15000

11

(ii) * B#u&ant %#rce * 125000 15000 * 1100001

11

QUESTION 4

4.(a) (i) Deree #% !#tne$$ #% a b#d& 1

7

(ii) /el i$ c##ler t!an t!e !ead eat %l# %r#' !ead t# t!e el

# t!e !ead ill be c##ler t!e el ill ain !eat (ar'er)

11

1

(b) * 'c : * 30 4.3 (36 -15)

* 2709 ;

11

1

QUESTION 5

5 (a) +allin it! accelerati#n due rait& %all due t# t!e raitati#nal 1


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%#rce

8

(b) (i) +#rce in diara' 5.1 i$ reater 1

(ii) i'e #% i'"act in diara' 5.1 i$ $!#rter 1

(iii) A$ t!e ti'e #% i'"act i$ decrea$e t!e %#rce durin c#lli$i#n increa$e. 1

(i) lace $#%t 'aterial #n $ur%ace A


4/12

12

(b) (i) Ela$tic "#tential ener& 1

(ii) Ela$tic "#tential ener&

* F +

* F (60)(8) F (60)(0.08)* 240 c' 2.4 ; 2.4 '

1

11

(c) (i) 80 1 (ii) -"rin >

-"rin

1

1

(iii) "rin

#re $en$itie$'aller %#rce c#n$tant

1

1

QUESTION !

9. (a) Di$tance diided b& ti'e 1

20

(b) 1. !e t#tal 'a$$ #% l#rr& in Diara' 9.1 i$ l#er

2. !e di$tance taen %#r t!e l#rr& t# $t#" in Diara' 9.1 i$ $!#rter3. !e ti'e taen %#r t!e l#rr& t# $t#" in Diara' 9.1 i$ $!#rter

4. A$ t!e t#tal 'a$$ #% t!e l#rrie$ increa$e t!e ti'e taen t# $t#"increa$e.

5. A$ t!e t#tal 'a$$ #% t!e l#rr& increa$e t!e inertia #% t!e l#rr& al$#

increa$e.

5

(c) (i) !en t!e car '#e$ t!e "a$$ener al$# '#e at t!e $a'e $"eed #%t!e car

!en t!e brae$ i$ a""lied t!e car $t#" but t!e "a$$ener $till '#e

%#rard due t# it$ inertia

2

(ii) G$e $eat belt air ba

>reent t!e "a$$ener bein t!r#n %#rard 2


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(d) 10

QUESTION 10

10 (a)

(i)

!e te'"erature in !ic! a $#lid $ub$tance c!ane t# li=uid at

at'#$"!eric "re$$ure

1

20

(ii) 1. !e 'a$$ #% $ub$tance in Diara' 10.1 H in Diara' 10.2

2. i'e taen t# reac! t!e 'eltin "#int in Diara' 10.1 H in

Diara' 10.2

3. i'e taen b& t!e $ub$tance t# c!ane int# li=uid c#'"letel& in

Diara' 10.1 H in Diara' 10.2

4. !e reater t!e 'a$$ t!e l#ner t!e ti'e taen b& t!e $ub$tance

t# c!ane int# li=uid c#'"letel&.

5. !e reater t!e 'a$$ t!e reater t!e latent !eat #% %u$i#n

ab$#rbed.

5

(b) 1.


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li=uid

i! b#ilin "#int #% li=uid #t ea$il& c!ane int# a"#ur

@# rate #% ru$tin 'aterial @#n la$tin n#t ea$il& ru$t

tr#n 'aterial #t ea$il& brea$

!e $iIe #% t!e %an i$ bi # bl# lare a'#unt #% !eat

QUESTION 1111. (a)

+#rce "er unit area1

20

(b) >re$$ure de"end$ #n t!e $ur%ace area in c#ntact

!e $t#ne !a$ a $'aller $ur%ace area

!e "re$$ure eerted t#ard$ t!e %eet in t!e c#ntact area i$ biera$ "re$$ure i$ iner$el& "r#"#rti#nal t# $ur%ace area in c#ntact

1

1

11

(c) (i) 750 10 7500 1

(ii)

+ * 1 500 '-2

1

1

(iii) A1!1 * A2!20.5 ( 50 10-2) * 2.5 !2!2 * 0.1 ' 10 c'

1

1

C!aracteri$tic$ E"lanati#n

&"e #% %luid i$ #il inc#'"re$$ible d#e$ n#t ea"#rate

ea$il& n# air bubble$i! b#ilin "#int d#e$ n#t c!ane t# a$e#u$ $tate

ea$il& d#e$ n#t ea"#rate ea$il&

$ur%ace area #% "i$t#n A

bi "i$t#n B $'all

# "r#duce a !i! "re$$ure at "edal

brae $'all %#rce u$ed

# "r#duce bi %#rce #n t!e di$c

aterial %#r %luidtran$'i$$i#n "i"e 'ade #%

$teel

$tr#n d#e$ n#t ru$t ea$il& d#e$n#t brea ea$il&

< i$ c!#$en &"e #% %luid i$ #il i! b#ilin

"#int $ur%ace area #% "i$t#n A bi"i$t#n B $'all aterial %#r %luid

tran$'i$$i#n "i"e 'ade #% $teel

10

QUESTION 12

12. (a) Arc!i'ede$ >rinci"le 1

(b) 1. #tal den$it& #% $!i" "den$it& #% ater 1


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2. Bu#&ant +#rce ##tal ei!t #% $!i" 1

20

(c) (i) # en$ure t!e $!i" ill n#t be #erl#ad en$ure t!e $a%et& #% $!i" 1

(ii) # enable t!e $!i" t# trael $a%el& in di%%erent den$itie$ #% $ea ater 1

(d )

10

(e) (i) #lu'e #% ater di$"laced * #lu'e #% ##den bl#c

* '

*800

3

* 3.75 10-3'3

1

1

(ii) ei!t #% l#ad J ei!t #% ##den bl#c * ei!t #% ater

di$"laced

ei!t #% l#ad J ei!t #% ##den bl#c * ei!t #% l#ad J (3 10) * 1000 3.75 10-3 10

ei!t #% l#ad J (3 10) * 37.5

ei!t #% l#ad * 37.5 30

* 7.5 a$$ #% l#ad * 0.75

1

11


Soalan 1

Markah

C$%&%'&*+*'+ R%+,-

trea'lined $!a"e # reduce ater re$i$tance

i! $trent! #% 'etal # it!$tand !i! ater "re$$ure

ide ba$e cr#$$ $ecti#n

area

# t!at $!i" can %l#at"reent %r#'

#erturn $!i" '#re $table $!i"

n#t $in dee"er

i! #lu'e #% air $"ace

in t!e $!i"

>r#duce air bu#&ant %#rce $!i" can

%l#at

tructure > trea'lined $!a"e i! $trent! #%

'etal ide ba$e cr#$$ $ecti#n area

i! #lu'e #% air $"ace in t!e $!i"


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1 1 (a)(i)

1 State the manipulated variable correctly Mass/m//slotted weight//Jisim

1 (ii)

1 State the responding variable correctly extension

1 (iii)

1 State the constant variable correctly Length of spring//stiffness//spring constant

1 (b)(i) 1 Able to state the value of lo 7!

2 (b)(ii) 2 Able to state the value of li 7"#"!#1!$#111#1$$ (without unit) if % & ' values are correct & give one mr ()

f * + (all values are correct& give $ mr ()

2 (b)(iii)

$ Able to state the value of l !"#$!#%$#'1#+$ (without unit) accept, ecf Mr 1 - for correct calculation Mr $ - for consistenc. (value of liand l 1 dp# on there own)

2 1(c) $ Able to tabulate m, liand l Mr 1 - uantities m# liand lshown in heading Mr $ - 0nits g# cmand cmshown in heading

m / g li/ cm l/ cm

+! 7" !"

1!! "! $!

1+! 1!$ %$

$!! 111 '1

$+! 1$$ +$


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5 1 (d) + Able to draw a complete graph of l against mic base on the following aspects,

A - show 2 on 3&axis and m on the 4&axis & ()

5 - state the units of variables correctl. & ()

6 - 5oth axes are mared with uniform(even) scale & ()

- All five points are plotted correctl. given $ (tic) & ()

( % & ' points are plotted correctl. given 1 (tic))

8 & best straight line is drawn & () 9ote, mesti imbang minimum % titi Mesti ecerunan positif: & show the minimum si;e of graph & ()

(at least + x ' big suare counted from the origin until the furthest point/firstpoint plotted to fith plotted point)

score :

9umber of m

l increase linearl. m ?ia garislurus tida men.entuh asalan

Q.+*,- 2

S'*,- M%&/ A-+&

2(a)

2(b) (i)

2(b)(ii )

2(c)

2(d)(i )

2(d)(ii)

1

2

1

2

3

4

1

1

2

1

1

S$, ,- $ &%$

S% $ %. ,Patm ',&&'

1.0 105'-2

&% $ &*%- ,- $ &%$

('ini'u' 8c' 8c')

S$, $ +.8+*.*,- ',&&'

C,&&' %-+&

K8.4 10

3

- 8.7 10

3

L

C,&&' .-*9

'-3

C,&&' %-+&

K1000 - 1050 L

S$, ,- $ &%$

S% $ %. *$ $ ',&&' .-*1.043 105'-2

S% $ '$%-+ ',&&'k ill increa$e

G* $ ',&&' :%-%*,-

!e "re$$ure eerted b& t!e li=uid increa$e$

2

4

1

2

1

1


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2(e) 1S% $ &'%.*,- ',&&'

E&e$ i$ "er"endicular t# t!e $cale #% readin a$ t# a#id "aralla

err#r D# re"eated readin$ and %ind t!e aerae alue a$ t#

increa$e t!e accurac&

1

T,% 12

Q.+*,- 3

1 3(a) 1 ;&* % +.*%8 *-&-'

!e $ur%ace area #% c#ntact a%%ect$ t!e "re$$ure

1 (b) 1 ;&* % +.*%8 $,$+*+

!e reater t!e $ur%ace area #% c#ntact t!e $'aller t!e "re$$ure

10 (c) (i) 1 S% $ %*< , $ :&*re$$ure

3 S% $ *:= %&*%8

+#rce

(iii) 4 S% $ *+ , %%&%.+ %-=


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NO MARKING CRITERIA

MARK

SUB TOTA

L

4

( a) S% % +.*%8 *-&-'!e 'a$$ #lu'e a%%ect$ t!e ri$e in te'"erature te'"erature 1 1

(b) S% % &%- $,$+*+

!e reater t!e 'a$$ #lu'e t!e $'aller t!e ri$e in te'"erature

1 1

(c) +'&*8 % ',


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Peraturan Pemarkahan Fiziksbp f4 2010 Edit