1. FIZIK K3 SET B SOALAN.doc
Transcript of 1. FIZIK K3 SET B SOALAN.doc
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PEJABAT PELAJARAN DAERAH MELAKA TENGAH
LATIH TUBI PROGRAM PERKONGSIAN PINTAR ( CO )
BIDANG SAINS DAN MATEMATIKSEKOLAH MENENGAH
DAERAH MELAKA TENGAHSPM 2011LAH BERASRA
FIZIK
KERTAS 3
Satu a! t"#a $u%u& !"'"t
JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU
Kertas soalan ini mengandungi 11 halaman bercetak
Section A
Kegunaan Pemeriksa
Bahagia
n
Soalan Marka
h
Penuh
Marka
h
A 1 16
2 12
B 3 12
4 12
JUMA!
1. Kertas soalan ini mengandungi dua
bahagian :
Bahagian Adan Bahagian B.
2. Jawab semua soalan dalam Bahagian A.
Tuliskan jawapan bagi Bahagian A
dalam
ruang yang disediakan dalam kertas
soalan.
3. Jawab satusoalan daripada Bahagian B.Tuliskan jawapan Bahagian Bpada
ruangan yang disediakan..
Jawab Bahagian Bdengan lebih terperinci.
Jawapan mestilah jelas dan logik..
. Tunjukkan kerja mengira! ini membantu
anda
mendapat markah.
" #ambarajah yang mengiringi soalan tidak
dilukis
mengikut skala kecuali dinyatakan.
$. %arkah yang diperuntukkan bagi setiap
soalan atau
ceraian soalan ditunjukkan dalam
kurungan.
& 'nda dibenarkan menggunakan kalkulator
sainti(ik
yang tidak boleh di programkan
) %asa yang dicadangkan untuk menjawabBahagian A
31*3
F"+",
K-.ta/ 3
Ot 2011
1 a!
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(28 marks)
Answer allquestions in this section.
1. A student carries out an experiment to study the relationship between the speed, v,
of a trolley and the distance of compression, e, of a sprin that will push the trolley
down the track after the compression of the sprin is released.
A friction!compensated runway and a ticker!timer with its accessories are set up as shown in "iaram 1. #he trolley is pushed back to compress the sprin with a
compression, e, of 1.$ cm.
#he trolley is released. %t mo&es at constant &elocity, v, down the runway, after it is
pushed by the compressed sprin.
"iaram 1
#he procedure is repeated with compression &alues of e, 2.$ cm, '.$ cm, .$ cm and .$ cm.
#he ticker tapes are shown in "iarams 2 (a), (b), (c), (d) and (e) respecti&ely.
#he &elocity,v , of each compression can be calculated by usin the formula *
v+ cms!1
in which x is the distance co&ered in an inter&al of 1$ ticks.
An example is shown in "iaram 2(a).
"
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(a) e + 1.$ cm
x +. cm
&1+ ..cms!1
(b) e + 2.$ cm
x + . cm
&2+ ...cms!1
(c) e+ '.$ cm
x + ..cm
&'+ ...cms!1
(d) e+ .$ cm
x +...cm
&+cms!1
(e) e+ .$ cm
x + ..cm
&+ cms!1
"iaram 2
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1(a)(i)
1
1(a)(ii)
1
1(a)(iii)
1
1(b)(i)
2
1(b)(ii)
2
1 (a) -or the experiment described abo&e, identify
(i) the manipulated &ariable,
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (1mark)
(ii) the respondin &ariable ,
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (1 mark)
(iii) the fixed &ariable ,
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (1 mark)
(b) -or this part of the question, write your answers in the spaces pro&ided in the correspondin diarams.
(i) ased on the diarams of ticker tapes, measure and record the &alue of x for e&ery
ticker tape in "iaram 2 with a ruler. (2 marks)
(ii) /sin the i&en formula, v+ cms!1
, calculate the &alue of vfor each
&alue of x in 1 (b)(i).
0ecord the &alue of v. (2 marks)
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(c) #abulate your results for all &alues of e, x and v in the space below. (2 marks)
(d) n the raph paper pro&ided, draw a raph of vaainst e. ( marks)
(e) ased on your raph, state the relationship between vand e. (1 mark)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1(c)
3
1(d)
#
1(e)
1
Total A1
16
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raph of vaainst e.
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2. A student carries out an experiment to in&estiate the relationship between the
pressure,p, of a sample of an ideal as of constant mass, and its &olume V.
#he temperature Tof the as was kept constant at '$$ 3 throuhout the
experiment.
#he results of the experiment are shown in the raph ofp aainst in
"iaram '.
(a) 4tate the relationship between ofp and V .
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(1 mark)
(b) #his sample of as had a pressure of 8$ k5a at a temperature of '$$3.
/sin the raph of p aainst ,determine the &olume of the as.
4how on the raph how you determined the &olume. (' marks)
(c) #he mass, m , of the sample of as is i&en by the formula
m+ pV.
%f k = pV ,then m+ k , where k is the radient of the raph of
p aainst .
(i) 6alculate the radient k, of the raph of p aainst .
4how on the raph how you determined k . (2 marks)
(ii) /sin the formula m+ k, calculate the mass of the sample
of as. /se T+ '$$ 3 (2 marks)
2(a)
1
2(b)
3
2(c)(i)
2
2(c)(ii)
2
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"iaram '
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(d) %f the as is at a temperature of $$ 3, it occupies a &olume of $.$2$ m'.
/sin the formula m+ pV and the &alue of mfound in (c) (ii),
calculate the pressure of this as. (' marks)
(e) 4tate oneprecaution in this experiment. (1 mark)
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
2(d)
3
2(e)
1
Total A2
12
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Section B
(12 marks)
-iure 1.1 (a) shows a horse pullin a carriae. -iure 1.1 (b) shows another horse of the same
strenth bein added to pull the same carriae. %t is obser&ed that in the case of fiure 1.1 (b) , the
carriae increases its &elocity at a faster rate.
-iure1.1
ased on the obser&ation,
(a) 4tate one inference that can be made (1)
(b) 4tate a suitable hypothesis (1)
(c) 7ith the use of apparatus such as a trolley, ticker timer and other apparatus, explain how
you can carry out an experiment to test your hypothesis.
%n your description, state clearly the followin*
(i) the aim of the experiment
(ii) the &ariables in the experiment
(iii) the list of apparatus and materials
(i&) the arranement of the apparatus
(&) the procedure of the experiment which includes the method of controllin themanipulated &ariable and the method of measurin the respondin &ariable.
(&i) the way you tabulate the data
(&ii) the way you analyse the data (1$)
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2. A bicycle dynamo is attached to the back wheel. #he dynamo is used to liht up a bulb in front of the
bicycle. 7hen the bicycle mo&es faster, the coil of the bicycle will rotate faster. #he liht bulb appears to
shine brihter when the bicycle mo&es faster.
ased on the information and your obser&ation abo&e*
(a) 4tate one suitable inference. (1 mark)
(b) 4tate one suitable hypothesis. (1 mark)
(c) 7ith the use of apparatus such as a bar manet, a coil and other apparatus,
describe an experiment framework to in&estiate the hypothesis stated in (b).
%n your description state clearly the followin*
(i) Aim of the experiment
(ii) 9ariables in the experiment
(iii) :ist of apparatus and materials
(i&) Arranement of apparatus
(&) #he procedure of the experiment which includes the method of controllin the manipulated
&ariable and the method of measurin the respondin &ariable
(&i) #he way you would tabulate the data
(&ii)#he way you would analyse the data (1$
marks )
End of Paper.