Modul Fizik SPM Kertas 2 & 3

(iii Calculate the gradient, m, of the graph. Use
) Show on the graph how you determine m.

Hitung kecerunan, m, bagi graf itu.
Tunjukkan pada graf itu bagaimana anda menentukan m.

m = _____________________________

(b) , where g is the gravitational [3 marks]
[3 markah]
The gradient, m, of the graph is given by the formula m =
[2 marks]
acceleration and l is the length of the inclined plane. [2 markah]
In the experiment, l = 2.0 m. Calculate the value of g.

Kecerunan, m, bagi graf itu diberi oleh formula m = , di mana g ialah pecutan graviti dan l

ialah panjang landasan condong.
Dalam eksperimen, l = 2.0 m. Hitung nilai g.

g = _________________________________

19 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(c) The student repeats the experiment using another inclined plane of length, l = 1.5 m.
The raised end of the inclined plane is fixed at height, h = 0.10 m.

Using the formula a = × h and the value of g in (b), calculate the acceleration, a, of the trolley.

Murid itu mengulangi eksperimen itu menggunakan landasan condong yang lain yang panjangnya, l =
1.5 m.
Hujung landasan condong itu ditetapkan pada ketinggian, h = 0.10 m.

Menggunakan formula a = × h dan nilai g di (b), hitung pecutan, a, troli itu.

a = _________________________________

[2 marks]
[2 markah]

(d) State one precaution that should be taken to improve the result of this experiment.
Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk memperbaik keputusan eksperimen ini.

_____________________________________________________________________________________
[1 mark]

[1 markah]

20 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 3.2
F4: Chapter 5
A student carried out an experiment to investigate the relationship between object
distance, u, and image distance, v, for a convex lens. The student used various values of
u and recorded the corresponding values of v. The student then plotted the graph of uv
against u + v as shown in Diagram 2.
Seorang pelajar menjalankan eksperimen untuk mengkaji hubungan antara jarak objek,
u dan jarak imej, v, bagi sebuah kanta cembung. Pelajar itu mengubah beberapa
kedudukan jarak objek, u dan merekodkan nilai jarak imej yang sepadan. Pelajar itu
memplotkan graf uv melawan u+v seperti ditunjukkan dalam Rajah 2.

uv/ cm2

500 40 50
u + v / cm
540500

400

350
55
300
0
250

200
0
150

100

50

10 20 30

Diagram 2 / Rajah 2
21 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Based on the graph in Diagram 2,
Berdasarkan graf pada Rajah 2,

(i) State the relationship between uv and u + v
Nyatakan hubungan antara uv dan u + v

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

(ii) Determine the value of u + v when the value of uv = 400 cm2. Show on the
graph how you obtained the value of u + v.
Tentukan nilai u+v apabila nilai uv = 400 cm2. Tunjukkan pada graf bagaimana
nilai u+v ditentukan.

[2 marks]

(iii) From the value of u + v obtained in (ii), calculate the image distance, v when u=20 cm.
Dari nilai u+v yang diperoleh dalam (ii), kira jarak imej, v apabila u=20 cm.

[1 mark]

22 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(iv) Calculate the gradient of the graph. Show clearly on the graph how you obtained the
values needed for the calculation.
Kira kecerunan graf. Tunjukkan dengan jelas bagaimana anda menentukan nilai untuk
pengiraan.

[3 marks]

b) Given that the relationship between u, v and focal length, f of the convex lens used, is
represented by the equation:
Diberi hubungan antara u,v dan jarak fokus, f untuk kanta cembung yang digunakan,
diwakili oleh persamaan:

Derive an equation which gives the relationship between uv and (u + v ).
Terbitkan persamaan yang menghubungkaitkan antara uv dan (u+v)

[2 marks]

23 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 3.3
F5 : Chapter 1

.A student carries out an experiment to investigate the relationship between the separation, a, of two coherent
sources and the distance, x, between two consecutive antinodes of the interference pattern of water waves in
a ripple tank.

The results of this experiment are shown in the graph of a against in Diagram below.
Seorang murid menjalankan satu eksperimen untuk menyiasat hubungan antara pemisahan, a, bagi dua
sumber koheren dengan jarak, x, antara dua antinod berturutan pada corak interferens gelombang air
dalam satu tangki riak.

Keputusan eksperimen ini ditunjukkan oleh graf a melawan pada Rajah di bawah.
(a)Based on the graph in Diagram below:

Berdasarkan graf pada Rajah di bawah:
(i)

State the relationship between a and .

Nyatakan hubungan antara a dengan .

__________________________________________________________________________________

[1 mark]
[1 markah]

(ii) Determine the value of x when a = 12 cm.
Show on the graph, how you determine the value of x.
Tentukan nilai x apabila a = 12 cm.
Tunjukkan pada graf itu bagaimana anda menentukan nilai x.

x = ______________________________ cm

[3 mark]
[3 markah]

(iii)Calculate the gradient, m, of the graph.
Show on the graph how you calculate m.
Hitung kecerunan, m, bagi graf itu.
Tunjukkan pada graf itu bagaimana anda menghitung m.

m = ______________________________ cm2

[3 mark]
[3 markah]

(b)The wavelength, λ, of the water waves is given by the formula , where m is the

gradient of the graph and l is the distance from the wave sources to the plane where x is

measured. In this experiment, l = 20.0 cm.

24 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Calculate the value of λ.

Panjang gelombang, λ, bagi gelombang air itu diberi oleh formula , dengan keadaan

m ialah kecerunan graf dan l ialah jarak dari sumber gelombang ke satah di mana x diukur.

Dalam eksperimen ini, l = 20.0 cm.
Hitung nilai λ.

λ = _________________________________

[2 marks]
[2 markah]

25 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Graph of a against
Graf a melawan

26 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(c)The relationship between the velocity, v, of the water waves and their wavelength, λ, is v = fλ, where f is

the frequency. In this experiment, f = 12 Hz.
Using the answer in (b), calculate the velocity of the water waves.
Hubungan antara halaju, v, bagi gelombang air itu dengan panjang gelombang, λ, ialah v = fλ, dengan
keadaan f ialah frekuensi. Dalam eksperimen ini, f = 12 Hz.

Menggunakan jawapan di (b), hitung halaju gelombang air itu.

v = _________________________________

[2 marks]
[2 markah]

(d)State one precaution that should be taken to improve the accuracy of the result of this experiment.
Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk memperbaik ketepatan bacaan dalam
eksperimen ini.

_____________________________________________________________________________________
[1 mark]

[1 markah]

27 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 3.4
F5 : Chapter 2

A student carries out an experiment to determine the internal resistance, r, and electromotive
force (e.m.f), E, of a dry cell. The results of this experiment is shown in the graph of potential
difference, V, against current, I, in Diagram 2.1.

Seorang murid menjalankan satu eksperimen untuk menentukan rintangan dalam, r,dan daya

gerak elektrik (d.g.e), E, sebuah sel kering.Keputusan eksperimen ini ditunjukkan oleh

graf V melawan I pada Rajah 2.1.

(a) Based on the graph in Diagram 2.1,
Berdasarkan graf pada Rajah 2.1,

(i) What happens to V as Iincrease ?
Apakah yang berlaku pada V apabila I bertambah?

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

[1 markah]

(ii) Determine the value of V when I = 0.6 A.
Show on the graph, how you determine the value of V.

Tentukan nilai V apabila I = 0.6A.
Tunjukkan pada graf itu bagaimana anda menentukan nilai V.

V = …………………………V

[2 marks]
[2 markah]

28 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

V/volt Graph of V against I
Graf V melawan I

1.4
1.2
1.0
0.8
0.7
0.6
0.5
0.4

0.3 I/A

0.2

0.1
290| M o d u0.l2 F i z i k 0K.4e r t a s 30.6P P D K o0.t8a S e t a 1r.0 1.2 1.4
Diagram 2.1
Rajah 2.1

(b) Calculate the gradient , m, of the graph. Show on the graph how you determine
m.
Hitung kecerunan, m, bagi graf itu. Tunjukkan pada graf itu bagaimana anda
menentukan m.

m= ……………………………..

[3 marks]
[3 markah]

(c) The internal resistance, r, of the dry cell is given by the formula r = - m,
where m is the gradient of the graph.
Rintangan dalam sel kering, r, diberi oleh formula r = - m,
di mana m ialah kecerunan graf

Calculate the internal resistance, r, of the dry cell
Hitungkan rintangan dalam, r, bagi sel kering itu

[2 marks]
[2 markah]

30 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(d) Electromotive force (e.m.f), of dry cell is the value of intercept on the V axis of
the graph V against I
Based on the graph in diagram 2.1 , determine the electromotive force of the
drycell
Daya gerak elektrik (d.g.e), sel kering adalah nilai pintasan pada paksi V bagi
graf V melawan I.
Berdasarkan graf dalam Rajah 2.1 , tentukan daya gerak elektrik sel kering itu

[ 3 marks]
[ 3markah ]
(e) State one precaution that can be taken to improve the accuracy of the
reading in this experiment.
Nyatakan satu langkah berjaga-jaga yang boleh diambil untuk memperbaiki
ketepatan bacaan dalam eksperimen ini.
……………………………………………………………………………………

[1 marks]
[1 markah]

31 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

SOALAN 3
Question 3.1
F4: Chapter 3
Rajah menunjukkan seorang pekerja menggunakan sebatang kayu yang panjang dan seragam
diameternya untuk menentukan kedalaman lubang yang dipenuhi air.
Apabila kayu tersebut ditolak ke dalam air sedikit seperti dalam Rajah 3.1, daya kecil
diperlukan, apabila ia menolak kayu lebih banyak seperti dalam Rajah 3.2, daya yang lebih besar
diperlukan.

Diagram shows a worker using a piece of straight long and uniform wood to determine the
depth of a hole filled with water. When the wood is pushed a bit into water as in Diagram 3. 1,
a small force is needed, when the wood is pushed further down as in Diagram 3. 2, a larger
force is needed.

Rajah 3.1 Rajah 3.2
Diagram 3.1 Diagram 3.2

Berdasarkan maklumat dan pemerhatian di atas; [1 markah ] /[1 mark ]
Based on the information and observation above: [1 mark ][1 markah]

(a)Nyatakan satu inferens yang sesuai.
State one suitable inference.

(b)Nyatakan satu hipothesis yang sesuai.
State one suitable hypothesis.

32 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(c) With the use of apparatus such as a metal block, iron rod, spring balance, beaker and other
apparatus, describe an experiment to investigate the hypothesis as stated in (b)
Dengan menggunakan radas seperti bongkah logam/rod logam, neraca spring,bikar dan
lain-lain , terangkan satu rangka kerja eksperimen untuk menyiasat hipotesis yang anda
nyatakan dalam 3(b)

In your description, state clearly the following:
Dalam penerangan anda, jelaskan perkara berikut:

(i) Aim of the experiment.
Tujuan eksperimen.

(ii) Variables in the experiment.
Pembolehubah dalam eksperimen.

(iii) List of apparatus and materials
Senarai radas dan bahan.

(iv) Arrangement of the apparatus.
Susunan radas.

(v) The procedure used in the experiment which should include one method of controlling
the manipulated variable and one method of measuring the responding variable.
Prosedur eksperimen yang mesti termasuk satu kaedah mengawal pembolehubah
Dimanipulasikan dan satu kaedah mengukur pembolehubah bergerakbalas.

(vi) The way you would tabulate the data.
Cara untuk menjadualkan data.

(vii) The way you would analyse the data. [ 10 marks]
Cara untuk menganalisis data. [ 10 markah ]

33 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 3.2
F4 : Chapter 4

3. Rajah 3 menunjukkan dua periuk, X dan Y, dengan periuk X mengandungi lebih banyak
air daripada periuk Y. Kedua-dua periuk dipanaskan. Selepas beberapa minit diperhatikan
air dalam periuk Y lebih panas daripada air dalam periuk X.

Diagram 3 shows two pots, X and Y, with X containing more water than Y. Both the pots
are heated. After a few minutes it was observed that the water in potY is hotter than the
water in potX.

Rajah 3
Diagram 3

Berdasarkan maklumat dan pemerhatian tersebut:

Based on the information and observation:

(a) Nyatakan satu inferens yang sesuai. [1 markah]
State one suitable inference. [1 mark]

(b) Nyatakan satu hipotesis yang sesuai. [1 markah]

State one suitable hypothesis. [1 mark]

(c) Dengan menggunakan radas seperti bikar, termometer, pemanas rendam dan radas lain,
terangkan satu eksperimen untuk menyiasat hipotesis yang dinyatakan di 3(b).
With the use of apparatus such as beaker, thermometer, immersion heater and other
apparatus, describe oneexperiment to investigate the hypothesis stated in 3(b).

Dalam penerangan anda , nyatakan dengan jelas perkara berikut:
In your description, state clearly the following:

(i) Tujuan eksperimen.
The aim of the experiment.

(ii) Pembolehubah dalam eksperimen.
The variables in the experiment.

34 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(iii) Senarai radas dan bahan.
The list of apparatus and materials.

(iv) Susunan radas.
The arrangement of the apparatus.

(v) Prosedur eksperimen yang mesti termasuk satu kaedah mengawal pembolehubah
dimanipulasi dan satu kaedah mengukur pembolehubah bergerak balas.
The procedure of the experiment which should include one method of controlling the
manipulated variable and one method of measuring the responding variable.

(vi) Cara anda menjadualkan data.
The way you tabulate the data.

(vii) Cara anda menganalisis data.
The way you analyse the data.

[10 markah]
[10 marks]

Question 3.3
F4: Chapter 5

Rajah 4.1 dan 4.2 menunjukkan dua cara bagi seorang peminat fotografi mengambil
gambar suatu objek. Didapati saiz imej pada gambar foto dalam setiap kes itu adalah
berbeza.
Diagrams 4.1 and 4.2 show two ways of taking photographs of the same subject. It is found
that the size of the image on one photograph is different from that on the other photograph.

Rajah 4.1/ Diagram 4.1 Rajah 4.2/ Diagram 4.2

Objek lebih dekat kepada kamera Objek lebih jauh daripada kamera
Object is nearer to camera Object is further away from the camera

35 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Berdasarkan maklumat dan pemerhatian tersebut:
Based on the information and observation:

(a) Nyatakan satu inferens yang sesuai. [1 markah]
State one suitable inference. [1 mark]

(b) Nyatakan satu hipotesis yang sesuai. [1 markah]

State one suitable hypothesis. [1 mark]

(c) Dengan menggunakan radas seperti mentol filamen, kanta cembung dan radas lain,
terangkan satu eksperimen untuk menyiasat hipotesis yang dinyatakan di 4(b).
With the use of apparatus such as a filament bulb, a convex lens and other apparatus,
describe oneexperiment to investigate the hypothesis stated in 4(b).

Dalam penerangan anda , nyatakan dengan jelas perkara berikut:
In your description, state clearly the following:

(i) Tujuan eksperimen.
The aim of the experiment.

(ii) Pembolehubah dalam eksperimen.
The variables in the experiment.

(iii) Senarai radas dan bahan.
The list of apparatus and materials.

(iv) Susunan radas.
The arrangement of the apparatus.

(v) Prosedur eksperimen yang mesti termasuk satu kaedah mengawal pembolehubah
dimanipulasi dan satu kaedah mengukur pembolehubah bergerak balas.
The procedure of the experiment which should include one method of controlling the

manipulated variable and one method of measuring the responding variable.

(vi) Cara anda menjadualkan data.
The way you tabulate the data.

(vii) Cara anda menganalisis data. [10 markah]
The way you analyse the data. [10 marks]

36 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

SOALAN 4

Question 4.1
F5: Chapter 2

Figure 4.1 and Figure 4.2 shows a light bulb connected to a power supply with a length of
wire of the same diameter.It was founds that the bulb in Figure 4.2 become dim when
placed in the sun.
Rajah 4.1 dan rajah 4.2 menunjukkan sebiji mentol yang disambungkan ke bekalan kuasa
dengan panjang dan diameter wayar yang sama.Didapati nyalaan mentol pada Rajah 4.2
menjadi malap apabila di letakkan di bawah sinaran matahari.

Based on the above information and observation: [ 1 mark ]
Berdasarkan pernyataan dan pemerhatian di atas: [ 1 markah ]
(a) State one suitable inference.
[ 1 mark ]
Nyatakan satu inferens yang sesuai. [ 1 markah ]

(b) State one suitable hypothesis.
Nyatakan satu hipotesis yang sesuai.

37 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(c) With the use of apparatus such as thermometer, ammeter, constantan wire,
connecting wire and other apparatus,describe an experiment to investigate
the hypothesis stated in 4(b).
Dengan menggunakan radas seperti termometer, ammeter, dawai konstantan,
Wayar penyambung dabn radas lain, terangkan satu eksperimen untuk menyiasat
Hipotesis yang dinyatakan di 4(b).

In your description, state clearly the following:
Dalam penerangan anda, jelaskan perkara berikut:

(i) Aim of the experiment.
Tujuan eksperimen.

(ii) Variables in the experiment.
Pembolehubah dalam eksperimen.

(iii) List of apparatus and materials
Senarai radas dan bahan.

(iv) Arrangement of the apparatus.
Susunan radas.

(v) The procedure used in the experiment which should include one method of controlling
the manipulated variable and one method of measuring the responding variable.
Prosedur eksperimen yang mesti termasuk satu kaedah mengawal pembolehubah
Dimanipulasikan dan satu kaedah mengukur pembolehubah bergerakbalas.

(vi) The way you would tabulate the data.
Cara untuk menjadualkan data.

(vii) The way you would analyse the data. [ 10 marks]
Cara untuk menganalisis data. [ 10 markah ]

38 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 4.2
F5: Chapter 1

Water is dripped at a constant rate into two different containers as shown in Diagram 4.

The cross-section of the water waves formed from the droplets in the containers are shown

in diagrams below.

Air dititiskan pada kadar yang seragam kedalam dua berkas yang berbeza seperti yang

ditunjukkan dalam Rajah 4. Keratan rentas gelombang air yang terbentuk dari titisan air di

dalam bekas tersebut ditunjukkan dalam rajah.

Water waves

Container
Bekas

Diagram 4 [ 1 mark ]
Rajah 4 [ 1 mark ]

Based on the information and observation above:
Berdasarkan kepada maklumat dan pemerhatian di atas:

(a) State one suitable inference.
Nyatakan satu inferens yang sesuai.

(b) State one suitable hypothesis.
Nyatakan satu hipotesis yang sesuai.

(c) With the use of apparatus such as a ripple tank , a vibrator motor and
other apparatus, describe an experiment framework to investigate the
hypothesis stated in 4 (b).

39 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Dengan mengunakan alatradas seperti sebuah tangki riak, sebuah
motor pengetar dan lain-lain radas, terangkan satu rangka
eksperimen untuk menyiasat hipotesis yang anda nyatakan di 4(b)

In your description, state clearly the following;
Dalam penerangan anda sila nyatakan dengan jelas perkara-perkara
berikut;

(i) Aim of the experiment.
Tujuan eksperimen.

(ii) Variables in the experiment.
Pembolehubah dalam eksperimen.

(iii) List of apparatus and materials.
Senarai radas dan bahan.

(iv) Arrangement of the apparatus.
Susunan radas.

(v) The procedures of the experiment include the method of
the manipulated variable and the method of measuring the
responding variable.
Prosedur eksperimen termasuk kaedah mengawal pemboleh
ubah dimanipulasikan dan kaedah mengukur pembolehubah
bergerakbalas.

(vi) The way you would tabulate the data.
Cara anda akan menjadualkan data.

(vii) The way you would analyse the data.
Cara anda akan menganalisis data.

[ 10 marks ]

40 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 4.3
F5 : Chapter 3

Diagram 4.1 shows an electromagnetics lifting machine used to lift scrap metal. Diagram 4.2
shows the observation of the machine when the current flows through the machine is increased.
Rajah 4.1 menunjukkan mesin electromagnet digunakan untuk mengangkat besi buruk. Rajah
4.2 menunjukkan pemerhatian pada mesin tersebut apabila arus yang mengalir melalui mesin
tersebut bertambah.

Diagram 4.1 Diagram 4.2
Rajah 4.1 Rajah 4.2

Based on the information and observation above: [ 1 mark ]
Berdasarkan kepada maklumat dan pemerhatian di atas: [ 1 mark ]

(a) State one suitable inference.
Nyatakan satu inferens yang sesuai.

(b) State one suitable hypothesis.
Nyatakan satu hipotesis yang sesuai.

(c) With the use of apparatus such as copper wire,soft iron core and other apparatus, describe
an experiment framework to investigate the hypothesis stated in 4 (b).
Dengan mengunakan alatradas seperti dawai kuprum,teras besi lembut dan lain-lain
radas, terangkan satu rangka eksperimen untuk menyiasat hipotesis yang anda nyatakan
di 4(b).
In your description, state clearly the following;
Dalam penerangan anda sila nyatakan dengan jelas perkara-perkara berikut;

41 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

(i) Aim of the experiment.
Tujuan eksperimen.

(ii) Variables in the experiment.
Pembolehubah dalam eksperimen.

(iii) List of apparatus and materials.
Senarai radas dan bahan.

(iv) Arrangement of the apparatus.
Susunan radas.

(v) The procedures of the experiment include the method ofcontrolling the
manipulated variable and the method of measuring the responding variable.
Prosedur eksperimen termasuk kaedah mengawal pembolehubah
dimanipulasikan dan kaedah mengukur pembolehubah bergerakbalas.

(vi) The way you would tabulate the data.
Cara anda akan menjadualkan data.

(vii) The way you would analyse the data.
Cara anda akan menganalisis data.

[ 10 marks ]

42 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question 4.4
F5 : Chapter 2

The bulb in Diagram 4.1 lights brighter than the bulb in Diagram 4.2
Mentol dalam rajah 4.1 menyala lebih cerah daripada mentol di dalam rajah 4.2

Based on the information and observation above:
Berdasarkan kepada maklumat dan pemerhatian di atas:

(a) State one suitable inference.
Nyatakan satu inferens yang sesuai.

[ 1 mark ]

(b) State one suitable hypothesis.
Nyatakan satu hipotesis yang sesuai.

[ 1 mark ]

(c) With the use of apparatus such as ammeter, voltmeter, constantan wire and other
apparatus, describe an experiment framework to investigate the hypothesis stated in 4 (b).

Dengan mengunakan alatradas seperti ammeter, voltmeter, dawai konstantan dan lain-
lain radas yang sesuai, terangkan satu rangka kerja untuk menyiasat hipotesis yang
dinyatakan di 4(b).

43 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

In your description, state clearly the following;
Dalam penerangan anda sila nyatakan dengan jelas perkara-perkara
berikut;

(i) Aim of the experiment.
Tujuan eksperimen.

(ii) Variables in the experiment.
Pembolehubah dalam eksperimen.

(iii) List of apparatus and materials.
Senarai radas dan bahan.

(iv) Arrangement of the apparatus.
Susunan radas.

(v) The procedures of the experiment include the method ofcontrolling the
manipulated variable and the method of measuring the responding variable.
Prosedur eksperimen termasuk kaedah mengawal pembolehubah
dimanipulasikan dan kaedah mengukur pembolehubah bergerakbalas.

(vi) The way you would tabulate the data.
Cara anda akan menjadualkan data.

(vii) The way you would analyse the data.
Cara anda akan menganalisis data.

[ 10 marks ]

44 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Skema Jawapan Kertas 3

ANSWER SCHEME
MODUL FIZIK

QUESTION 1

Soalan Cadangan Jawapan Markah
1.1(a) (i) Compression // x 1
Height, y// Height, h 1
(ii) Mass of the ball // Spring constant 1
(iii) y: 1.7, 3.8, 6.5, 10.0, 14.1
(b) (i) h : 3.2, 5.8, 8.7, 13.0, 17.6 4 correct – 1 mark 2
(ii) 1.79, 2.41, 2.95, 3.61, 4.20 1
(iii) 1
(c) Table with 4 columns x, y, h, h 1
1
Consistent number of d.p. for y and h

x / cm y / cm h/ cm -1

1.5 1.7 3.2 h / cm 2
2.0 3.8 5.8
2.5 6.5 8.7 1.79
3.0 10.0 13.0 2.41
3.5 14.1 17.6 2.95
3.61
4.20

(d) h at the y-axis, xat the x-axis 

Correct unit for h and x  [4 points correct: ]

Suitable scale for both axes  5
5 points plotted correctly 
Best straight line  7 : 5 marks
Size of graph  5-6 : 4 marks
3-4 : 3 marks
(e) h is directly proportional to x
2 : 2 marks
1 : 1 mark

1

(f) The eye must be perpendicular to the scale to reduce parallax error 1
16

45 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Soalan Cadangan Jawapan Markah
1.2(a) (i) 1
Angle of incidence // i
(ii) 1
(iii) Angle of refraction // r
(b) (i) 1
Indeks biasan blok kaca 5 correct – 2 marks 2
r : 24o, 32o, 41o, 51o, 63o 4 correct – 1 mark

(ii) sin i : 0.259, 0.342, 0.423, 0.500, 0.574 1
(iii) sin r : 0.407, 0.530, 0.656, 0.777, 0.891
(c) Table with 4 columns i, r, sin i, sin r 1

Consistent number of d.p. for sin i and sin r 1
1

i r sin i sin r

15o 24o 0.259 0.407

20o 32o 0.342 0.530

25o 41o 0.423 0.656

30o 51o 0.500 0.777

35o 63o 0.574 0.891

(d) sin r at the y-axis, sin i at the x-axis 

No units for both axes 

Suitable scale for both axes 

5 points plotted correctly  [4 points correct: ]

Best straight line 

Size of graph  5

7 : 5 marks
5-6 : 4 marks
3-4 : 3 marks

2 : 2 marks
1 : 1 mark

(e) sin r is directly proportional to sin i 1

(f) The eye must be perpendicular to the scale to reduce parallax error 1

16

46 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Soalan Cadangan Jawapan Markah
1.3(a) (i) Length // L 1
Current // I 1
(ii) Diameter of wire 1
(iii) X = 0.2 1
(b) (i) 1 1
(ii) L : 5.00, 3.33, 2.50, 2.00, 1.67
i : 2.0, 1.4, 1.1, 0.9, 0.8 2
(iii) 1
1
Table with 4 columns L, L , i, I 1
All values of I correct
1
1
Consistent number of d.p. for i and L

L / cm  1  / cm -1 i/A I/A
L

0.2 5.00 2.0 1.8
0.3 3.33 1.4 1.2
0.4 2.50 1.1 0.9
0.5 2.00 0.9 0.7
0.6 1.67 0.8 0.6

(c) 1 
I at the y-axis, L at the x-axis

1 
Correct unit for I and L

Suitable scale for both axes  [4 points correct: ]
5 points plotted correctly  5
Best straight line 
Size of graph 

7 : 5 marks
5-6 : 4 marks
3-4 : 3 marks

2 : 2 marks
1 : 1 mark

(d) 1 1

I is directly proportional to

L

16

47 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

QUESTION 2

2.1.(a) (i) a is directly proportional to h.
a berkadar secara langsung dengan h.

(ii) When/Apabila h = 0.3 m, a = 1.49 m s–2.

(iii) Gradient/kecerunan, m

= 1.0 – 0.5 = 5.0 s-2
0.20 – 0.10

b)

m=g
l

5 = g ⇒ g = 10 m s-2
2

(c)

= 0.67 m s–2

d) – Make sure the tape runs freely through the ticker timer.
Pastikan pita melalui jangka masa detik secara bebas.

– Repeat the experiment and take the average readings.
Ulangi eksperimen dan ambil bacaan purata.

– Avoid parallax error by placing the eye perpendicular to the scale of readings.
Elakkan ralat paralaks dengan memastikan kedudukan mata berserenjang

dengan skala bacaan.

48 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

2.2 (a) (i) uv is directly proportional to (u+v) 1
(b) (ii) Straight line from uv = 400 at y-axis and straight line to x-axis 1
1
(u+v) = 40cm 1
(iii) When u = 20cm, v = 20cm 1
(iv) 1
1
Draw a sufficient large triangle 5 x 4 (10cm x 8cm)
 Correct substitution (based on candidates triangle) 1
 State the value / answer with unit : 10 cm 1

1/f = 1/u + 1/v 1

u + v / uv = 1/f 1
1
uv = f (u+v)
1
(c) From uv = f(u + v) and y = mx + c
f = gradient, m 3
= 10cm

(d) Carry out the experiment in a dark room to observe a clearer image // (any relevant
answers)

2.3 (a) (i)

(ii) When/Apabila a = 12 cm,

(iii)

Gradient/Kecerunan, 3
m = = 24 cm2 2

(b) 2

= = 1.2 cm 1

(c) v = λ f 1
= 1.2 × 12 1
= 14.4 cm s–1 1
1
2.4.(a) (d) The eye should be vertically above the scale of the metre rule when the reading of
(b) x is being taken to avoid parallax error.
Mata harus berada tegak di atas skala pembaris meter apabila mengambil
bacaan x untuk mengelakkan ralat paralaks.

V increase
Draw a straight line from I = 0.6 A
V = 0.78
Draw a sufficient large triangle (7 cm vertical)

49 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

* Correct substitution(follow candidate’s triangle) 1
- 0.33 1

1.44 1

* State the value /answer 1
-0.2292 V/A(with unit) 1
(c) Correct substitution 1
1
r = - ( - 0.2292) 1
corecct answer (with unit)
0.2292 Ω

(d) Extrapolated the line
Answer with unit
1.3 V

(e) - eye position must be perpendicular to scale/repeat the experiment and find the
average .
The all connection of the circuit must be tied

QUESTION 3

Section Answer Mark
3 .1(a) State a suitable inference 1

The volume of water displaced affects thebuoyant force. 1

(b) State relevant hypothesis (with direction) 1
The greater the water displaced the greater thebuoyant force.

(c) Describe a complete and suitable experimental framework

State the aim of the experiment 1
To investigate the relationship between the volume of water displaced and
the buoyant force.

50 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

State the manipulated variable and the responding variable 1
mv - the volume of water displaced 1
rv - buoyant force 1

State the constant variable

cv – the density of water
List out the important apparatus and materials

Ureka can, triple beam balance, 100 ml beaker water, iron rod

State the method of controlling the manipulated variable 1
- immerse the iron rod into water and measure the immerse distance 1
eg. 1.0 cm
1
State the method of measuring the responding variable 1
Measure the mass of the water collected from ureka can and find the weight.
Where

weight = mass x acceleration due to gravity.

Repeat the experiment at least 4 times with different values
Repeat the different immerse distance.

Tabulate the data

Volume, V/ cm3 Weight, w or buoyant force, F/
N
2.0
4.0
6.0
8.0
10.0

State how data will be analysed (sketch graph/statement) 1
Plot graph immerse distance against buoyant force. Total

12

51 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

3 .2(a) State a suitable inference. 1
(b) 1
the rise in temperature// temperature depends on mass// volume 1
(c) 1
(i) State a relevent hypotesis. 1
1
(ii) The greater the mass // volume, 1
1
(iii) the smaller the rise in temperature // temperature 1
1
(iv) Describe a complete and suitable experimental framework
(v) 1
(vi) State the aim of experiment
1
(vii) To investigate the relationship between the mass and rise in

temperature of water

State the manipulated variable and the responding variable

Manipulated variable : Mass

Responding variable : rise in temperature

Constant variable : Heat supplied // Time of heating

List out the important apparatus and materials

Beaker, water, thermometer, immersion heater, stopwatch, lever

balance

Draw or describe a functionable arrangement of the apparatus

State the method of controlling the manipulated variable

1. Water with mass of 100 g is filled in a beaker.

State the method of measuring the responding variable

2. Switch on the heater for 5 minutes and record the temperature

rise.

State how the procedure is repeated to obtain at least 5 sets of

results

3. Repeat the experiment with 150 g, 200 g, 250 g, 300 g and 350

g of water.

Tabulate the data

Mass of water / g Temperature rise / oC

(viii) 100
150
200
250
300
350

State how data will be analysed
The graph of temperature rise against mass is drawn.

Note : Mark accordingly if the manipulated variable is

(ix)

52 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

3.3 (a) State a suitable inference. 1
(b) the size of the image depends on object distance 1
(c) State a relevent hypotesis.
(i) The greater the object distance, the smaller the size of the image 1
Describe a complete and suitable experimental framework
(ii) State the aim of experiment 1
To investigate the relationship between the object distance and the 1
(iii) size of the image 1
State the manipulated variable and the responding variable
Manipulated variable : object distance, u
Responding variable : saiz of image, H
Constant variable : focal length of lens, f
List out the important apparatus and materials
Convex lens with holder, light bulb with power supply, screen,
metre rule
Draw or describe a functionable arrangement of the apparatus

(iv)

State the method of controlling the manipulated variable 1
1
1. The convex lens is placed at distance of, u = 15 cm from the 1

object 1
1
(v) State the method of measuring the responding variable

2. The bulb is turned on. The screen is adjusted until a sharp

image is formed on it. The size of the image, H is measured by

(vi) metre rule.

State how the procedure is repeated to obtain at least 5 sets of

results

3. The procedure is repeated with values of u = 20 cm, 25 cm, 30

(vii) cm, 35 cm and 40 cm.

Tabulate the data

u / cm H / cm

(viii) 15
20
25
30
35
40

State how data will be analysed
4. A graph of H against u is drawn

(ix) 1
53 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

QUESTION 4
4.1
54 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

55 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Question mark Marking Scheme
4.2 (a) 1 State a suitable inference
1 The wave length is influence by the depth of water
(b) States a relevant hypothesis
1 The wave length increases when the depth of water increase.
(c ) 1 Describe a relevant and workable experimental framework

1 State the aim of experiment
1 To study the relationship between the depth of water and the wave length.

State the manipulated variable and the responding variable
Manipulated variable : The depth of water
Responding variable : The wave length.

State ONE variable that kept constant

Fixed variable : The frequency of waves.

.

Complete list of apparatus and materials

Ripple tank, stroboscope, metre rule, Perspex plate and vibrator motor

Note:
A complete apparatus and materials means, with the
apparatus and materials a set of data ( manipulated and

responding variables) can be obtained from the experiment

State the workable arrangement of the apparatus

1

State the method of controlling the manipulated variable
1 1. The apparatus is set up as shown in figure.

2. Arrange a ripple tank, and placed a piece of perspexwith h = 1.0 cm placed in
the centre of the tank.
1 State the method of measuring the responding variable
The waves are freeze by a mechanical stroboscope and the wave length is measured by
using metre rule and recorded.
1 Repeat the experiment at least 2 times
The experiment is repeated with h = 2.0 cm, 3.0 cm, 4.0 cm, 5.0 cm

56 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Tabulating of data The wave length
1 Depth

1 State how data will be analysed
wave length

TOTAL No of Perspex

No 12
4.3 MARKS

(a) Mark Marking Scheme
(b) 1 The amount of lifted scrap metal depends on the current
(c) i 1 The higher the current, the stronger the electromagnetism.
1 To investigate the relationship between the current and the electromagnetism.
ii Manipulated variable : Current
1 Responding variable : Electromagnetism
iii 1 Constant variable : Number of turns
1 Copper wire, soft iron, ammater, rheostat, batteries, pins/paper clips

State a functionable arrangement of the apparatus
iv

1

v 1 Procedure;

1 1. Adjust the rheostat to supply a current, I1 / 0.1A

1 2. Count the number of pins/paper clips attract by the electromagnet
3. Adjust the rheostat for 4 different current 0.2A, 0.3A, 0.4A and 0.5A.(Repeat at

least 4 times)

57 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

Tabulate the data;

vi Current(A) Number of pins/paper clips
1

vii Plot graph of number of pins against current // graph
TOTAL Number of pins

1

current
12

Question mark Marking Scheme
4.4 (a) 1 State a suitable inference
1 The brighter the bulb depends on the length of wire.
(b) States a relevant hypothesis
1 When the length of wire increase, the resistance increase.
(c ) 1 Describe a relevant and workable experimental framework

1 State the aim of experiment
1 To study the relationship between the length of wire and resistance.

State the manipulated variable and the responding variable
Manipulated variable : length of wire
Responding variable : Resistance

State ONE variable that kept constant

Fixed variable : diameter, temperature, type of wire

.

Complete list of apparatus and materials

Ammeter, voltmeter, constantan wire, ruler, power supply, connecting wire.

Note:
A complete apparatus and materials means, with the
apparatus and materials a set of data ( manipulated and

responding variables) can be obtained from the experiment

58 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r

State the workable arrangement of the apparatus
V

1

A

State the method of controlling the manipulated variable
1 1. The apparatus is set up as shown in figure.

2. Measure and connect a constantan wire with the length l of 20 cm on a meter ruler.

State the method of measuring the responding variable

1 3. Observe and record the reading of voltmeter and ammeter in the table.
Calculate the resistance with using the formula R : V / I

Repeat the experiment at least 4 times
1

Procedure 2 and 3 is repeated with l = 40.0 cm, 60.0 cm, 80.0 cm and 100.0 cm

Tabulating of data

Current / A Voltage / V Resistance / Ohm

1

State how data will be analysed
Resistance / Ohm
1

Length / cm

TOTAL 12
MARKS

59 | M o d u l F i z i k K e r t a s 3 P P D K o t a S e t a r