08_sbp_midyear_fzk_k3_v1.1

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SULIT 1

4531/3 scan & clean by: www.jaarsmtd.blogspot.com SULIT

4531/3FizikKertas 3

Mei 20071 jam

SEKTOR SEKOLAH BERASRAMA PENUHKEMENTERIAN PELAJARAN MALAYSIA

PEPERIKSAAN PERTENGAHAN TAHUN TINGKATAN 5 2008

FIZIKKertas 3

Satu jam tiga puluh minit

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

Kertas soalan ini mengandungi 10 halaman bercetak

Kegunaan Pemeriksa

Bahagian Soalan MarkahPenuh

Markah

A 1 16

2 12

B 3 12

4 12

JUMLAH

1. Kertas soalan ini mengandungi dua bahagian :Bahagian A dan Bahagian B.

2. Jawab semua soalan dalam Bahagian A.Tuliskan jawapan bagi Bahagian A dalam

ruang yang disediakan dalam kertas soalan.3. Jawab satu soalan daripada Bahagian B.

Tuliskan jawapan Bahagian Bpada ruangan yangdisediakan..Jawab Bahagian B dengan lebih terperinci.Jawapan mestilah jelas dan logik..

4. Tunjukkan kerja mengira, ini membantu anda

mendapat markah.

5 Gambarajah yang mengiringi soalan tidak dilukis

mengikut skala kecuali dinyatakan.

6. Markah yang diperuntukkan bagi setiap soalan atau

ceraian soalan ditunjukkan dalam kurungan.7 Anda dibenarkan menggunakan kalkulator saintifik

yang tidak boleh di programkan8 Masa yang dicadangkan untuk menjawab Bahagian Aialah 60 minit dan Bahagian B ialah 30 minit.

9 Serahkan semua kertas jawapan anda di akhirpeperiksaan


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Section A[ 28 marks]

Answerall question.

1. A student carry out an experiment to investigate the relationship between theincrease of temperature, T and the mass of water, m. 0.2 kg of water is poured into

the beaker and the initial temperature,0 is recorded. The immersion heater wasswitched on for a fixed period of time. The rise in temperature, 1 is then therecorded.

The experiment is repeated by using 0.4 kg, 0.6 kg, 0.8 kg and 1.0 kg of water. Thereading of thermometer at room temperature, 0 is shown in diagram 1.2. The actualcorresponding reading of temperature, 1 are shown in Diagram 1.3, 1.4, 1.5, 1.6and 1.7 on page 3 and page 4.

(a) For the experiment described above, identify;(i) The manipulated variable

..[1 mark]

(ii) The responding variable

..[1 mark]

(iii) The constant variable

..[1 mark]

Water

Beaker

Immersion heater

Diagram 1.1

Thermometer


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Diagram 1.2 show thereading at room temperature

Diagram 1.3Mass of water = 0.2 kg



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(b) State the reading of thermometer at room temperature, 0.

0 = ..[1 mark]

Based on Diagram 1.3, 1.4. 1.5, 1.6 and 1,7 on page 3 and page 4, record 1 and

calculate the rise of temperature, T where T = 1- 0

Tabulate the data for mass of water, m, inverse of mass of water,m

1, 1 and

temperature rise ,T in space below.

[5 marks]

(c) On the graph paper on page 6, plot a graph of T againstm

1.

[5 marks]

(d) Based on your graph, state the relationship between T andm

1.

..[1mark]

(e) State one precaution that should be taken to improve the results of thisexperiment.

..[1 mark]


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Graph of T againstm

1


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2 A student carried out an experiment to study the relationship between theperiod of oscillation, T and mass, m for a loaded spring of oscillation. Theresults of the experiment is shown in the graph of T 2 against m as in Diagram2.1.

Graph of T2 against m

m/ g

T2/s2

10 20 30 40 500

0.10

0.20

0.30

0.40

0.50

0.60

Diagram 2.1


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8

(a) State the relationship between T2 and m.

..[1 mark]

(b) Based on the graph in Diagram 2.1 on page 7,(i) Determine the value of T when m = 25 g. Show on the graph how you

determine the value of T.

[2 marks](ii) Determine the value of m when T2 = 0.75 s2. Show on the graph how you

determine the value of m.

[2 marks](c) The stiffness of spring, k is given by the formula

k = 39.45 mT2

(i) Calculate the gradient of graph T2 against m. Show how you determinethe gradient.

[3 marks](ii) By using the formula k = 39.45 m and the value obtained in (c)(i)

T2

calculate the stiffness of spring, k.

[3 marks](e) State one precaution that should be taken during this experiment.

..[1 mark]


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Section B[12 marks]

Answer any one question.

3. The diagram 3.1 and 3.2 show a diver swimming in the sea and in fresh water. Thediver experiences more discomfort to his body and ear in Diagram 3.2.

Based on the information and observation above:

(a) State one suitable inference.[1 mark]

(b) State one suitable hypothesis.[1 mark]

(c) With the use of apparatus such as thistle funnel, manometer and otherapparatus, describe an experiment framework to investigate the hypothesisstated in 3(b).In your description, state clearly the following;(i) Aim of the experiment.(ii) Variables in the experiment.(iii) List of apparatus and materials.(iv) Arrangement of the apparatus.

(v) The procedure of the experiment which include the method ofcontrolling the manipulated variable and the method of measuring theresponding variable.

(vi) The way you would tabulate the data.(vii) The way you would analyse the data.

[10 marks]

Diagram 3.1 Diagram 3.2


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4. The diagram 4.1 and 4.2 show two circuits with identical bulbs and dry cells. Thewire connected to bulb in Diagram 4.1 is thicker than the wire connected to bulb inDiagram 4.2. Both the wires are of the same length. The bulb in Diagram 4.1 lightsup brighter than the bulb in Diagram 4.2.

Based on the information and observation above:

(a) State one suitable inference.[1 mark]

(c) State one suitable hypothesis.[1 mark]

(c) With the use of apparatus such as constantan wire, batteries and otherapparatus, describe an experiment framework to investigate the hypothesisstated in 4(b).In your description, state clearly the following;(viii) Aim of the experiment.(ix) Variables in the experiment.(x) List of apparatus and materials.(xi) Arrangement of the apparatus.

(xii) The procedure of the experiment which include the method ofcontrolling the manipulated variable and the method of measuring theresponding variable.

(xiii) The way you would tabulate the data.(xiv) The way you would analyse the data.

[10 marks]

END OF QUESTION PAPER

Diagram 4.1 Diagram 4.2

08_sbp_midyear_fzk_k3_v1.1

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