fizik k3 form 4 tingkatan 4

7/31/2019 Fizik k3 Form 4 Tingkatan 4

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Physics

Paper 3

October 2011

1 jam

SMK PESANTERN ABDUL TAIB MAHMUD

UJIAN AKHIR TAHUN 2011

PHYSICS

PAPER 3

1 Hour 30 minutes

__________________________________________________________________________________

JANGAN BUKA KERTAS SOALAN INI SEHINGGA DIBERITAHU

1. Kertas soalan ini adalah dalam bahasa

Inggeris

2. Calon dikehendaki membaca maklumat

di halaman 2.

__________________________________________________________________________________

Kod Pemeriksa

Bahagian Soalan Markah

Penuh

Markah

Diperoleh

A 1 16

2 12

B 3 12

4 12

Jumlah

Prepared by, Checked by,

Iskandar Bin Sabang

( Hassan Bin Hosen)

Ketua Bidang Sains

dan Matematik

Nama : ...............................................

Tingkatan :.............................................


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INFORMATION TO CANDIDATES

1. This question paper consists of two sections : Section AandSection B.

2. Answer all questions in section A. Write your answers forsection A in the space provided in thequestion paper.

3. Answer one question from section B. Write your answers forsection B on the lined pages at the

end of this question paper in detail. Answer one question in section B. You may use equations,

diagrams, tables, graphs and other suitable methods to explain your answer.

4. Show your working. It may help you to get marks.

5. If you wish to cancel any answer, neatly cross out the answer. Do not use liquid paper.

6. The diagrams in the questions provided are not drawn to scale unless otherwise stated.

7. The marks allocated for each question or part question are shown in brackets.

8. You may use a non-programmable scientific calculator.

9. The time suggested to answersection Ais 60 minutes andsection Bis 30 minutes.

10. Hand in your answer sheets at the end of the examination.


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SectionA[28 marks]

Answerall questions

1 A student carries out an experiment to investigate the relationship between the buoyant

force, F, of a metal rod and its depth, d, in a liquid.

The metal rod is hung to a spring balance. The actual weight of the metal rod in air

before it is immersed in a liquid is W1 , as shown in Diagram 1.1.

Diagram 1.1 Diagram 1.2

Depth, d= 1.0 cm

metal rod

spring

balance

liquid


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The metal rod is then immersed in a liquid to a depth ,d, of 1.0 cm. The arrangement of the apparatus is

shown in Diagram 1.2.The readings of the weight on the spring balance when the metal rod is immersed

in the liquid is its apparent weight, W2 . The experiment is repeated by

immersing the metal rod to a depth of d = 2.0 cm, 3.0 cm, 4.0 cm, and 5.0 cm.

The readings of the weight on the spring balance are shown in diagrams 1.3, 1.4, 1.5 and 1.6 on page

3, 4 and 5 .


Depth, d= 2.0 cm Depth, d= 3.0 cm


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Depth, d= 4.0 cm Depth, d= 5.0 cm


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(a) For the experiment described, identify:

(i) the manipulated variable

...............................................................................................................................

[1 mark]

(ii) the responding variable

...............................................................................................................................

[1 mark]

(iii) a fixed variable

...............................................................................................................................

[1 mark]

(b) Based on Diagrams 1.1, determine the actual weight of the metal rod, W1.

W1 = [1 mark]

Determine the apparent weight, W2, in Diagrams 1.2, 1.3, 1.4, 1.5 and 1.6.

In each case, calculate the buoyant force:

F = W1 - W2

Tabulate your results for d, W2 and F in the space below.

[6 marks]

(c) On a graph paper on page 7 , plot a graph ofFagainst d. [5 marks]

(d) Based on your graph, state the relationship between Fand d.

..................................................................................................................................... [1 mark]


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Graph ofF againstd


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2 Graph on Diagram 2.1 shows an experiment results to identify the relationship betweenforce, Fand acceleration, a, for an object which moves on a rough surface runaway.

Graf pada Rajah 2.1 menunjukkan keputusan eksperimen untuk menentukan hubungan

antara daya, F dan pecutan, a, untuk satu objek yang bergerak di atas satu permukaanlandasan kasar.

(a) On the graph,

Padagraf itu,

Show and determine the value of Fwhen a = 0.0 ms-2.

Tunjukkan dan tentukan nilai F apabila a = 0.0 ms-2

.

...

[2 marks ]

(b) (i) Name the physical quantity Fin (a)

Namakan kuantiti fizik F dalam (a)

....

[1 mark]

F/N

0 2 4 6 8 10 a/ms-

10

20

30

40

DIAGRAM 2.1RAJAH 2.1


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(ii) What will happen to, a , when F increases?

Apakah yang akan berlaku pada, a ,jika F bertambah?

...

[1 mark]

(c) Using the graph in Diagram 2.1:

Menggunakan graf pada Rajah 2.1:

(i) Calculate the gradient of the graph, Fagainst a.

Show on the graph how you determined the gradient

Tentukan kecerunan graf F melawan a.

Tunjukkan pada graf itu bagaimana anda menentukan kecerunan graf.

[ 3 marks ]

(ii) Determine the value ofa when F=14.0 N. Show on the graph

how you determine the value.

Tentukan nilai a apabila F=14.0 N. Tunjukkan pada graf itu

bagaimana anda menentukan nilai tersebut.

a = .

[2 marks ](iii) Write the relationship between Fand a.

Tulis hubungan antara F dan a.

...

[1 mark]

(d) Name the physical quantity that represents the value of the gradient in (c) (i).

Namakan kuantiti fizikal yang diwakili oleh nilai kecerunan di (c) (i).

..

[1 mark](e) State one precaution that should be taken for this experiment.

Nyatakansatu langkah berjaga-jaga yang patut di ambil dalam eksperimen ini.

.....................[1 mark]


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Section B

[12 marks]Answer any one question.

Jawab mana-manasatu soalan

3. Diagram 3.1 and Diagram 3.2 show a boat with different load.

It is observed that the boat in Diagram 3.2 sinks more than in Diagram 3.1.

Rajah 3.1 dan Rajah 3.2 menunjukkan bot yang berlainan muatan.

Didapati bahawa bot di dalam Rajah 3.2 tenggelam lebih dalam berbanding Rajah

3.1.

River River

sungai sungai

Based on the information and observation above:

Berdasarkan maklumat dan pemerhatian di atas:

(a) State one suitable inference [1 mark]

Nyatakansatu inferens yang sesuai

(b) State one suitable hypothesis

Nyatakansatu hipotesis yang sesuai

[1 mark]

(c) With the use of apparatus such as slotted masses, beaker and other suitable apparatus,

describe an experiment framework to investigate the hypothesis stated in 3 (b). In yourdescription, state clearly the following:

DIAGRAM 3.1 DIAGRAM 3.2


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Dengan menggunakan radas seperti jisim berslot, bikar dan radas lain yang sesuai,

huraikan satu rangka eksperimen untuk mengkaji hipotesis yang dinyatakan di 3 (b).

Didalam penerangan anda, nyatakan dengan jelas yang berikut:

(i) Aim of the experiment

Tujuan eksperimen

(ii) Variables in the experiment

Pemboleubah di dalam eksperimen

(iii) List of apparatus and materials

Senarai radas dan bahan

(iv) Arrangement of the apparatus

Susunan radas

(v) The procedure of the experiment which include the method of controlling themanipulated variable and the method of measuring the responding variable.

Prosedur eksperimen yang meliputi kaedah untuk mengawal pembolehubah

manipulasi dan kaedah untuk mengukur pembolehubad bergerak balas.

(vi) The way you would tabulate the data

Kaedah untuk menjadual data

(vii) The way you would analyze the data

Kaedah untuk menganalisis data

[10 marks]


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4)

Observe the situation above. The picture show Abu and Bakar pushing two trolley. Abu seems

to have more difficulty pushing the trolley than Bakar. Abu need a greater more force to stopthe trolley than Bakar. Abu need a greater more force to stop the trolley than Bakar.

Using the information :

(a)Make a suitable inference(b)State a suitable hypothesis that can be studiedUsing proper apparatus such as inertial balance, three cylindrical masses, G clamp and

stop watch.

(c)Elaborate one experiment to test your hypothesis. Include the information below inyour report :

i. Purpose of experimentii. Variable exist in the experimentiii. List of apparatusiv. Apparatus arrangementv. Procedures to control manipulated variable and responding variable.vi. Method of tabulating data and analyzing datavii. Using the procedures run a experiment and make a analysis and conclusion.

[10 marks]

END OF QUESTION PAPER

KERTAS SOALAN TAMAT

Abu Bakar


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fizik k3 form 4 tingkatan 4

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