awam

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TABLE OF CONTENTS 1

18th December 2020 (SIR MAS FAIZ)

 Introduction To Physics………………………………………………..………Page 6-16

2 19th December 2020 (SIR TAUFIK)

 Electricity Part 1………………………………………………………………Page 17-47

22nd December 2020 (SIR TAUFIK) 3

 Electricity Part 2……………………………………………………………….…Page 17-47
 Electromagnetism Part 1……………………………………………………..Page 48-87

4 23rd December 2020 (SIR DHEVAT)

 Waves…………………………………………………………………….……….……Page 88-141

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TABLE OF CONTENTS 5

24th December 2020 (SIR MAS FAIZ)

 Force & Motion Part 1……………………………………………….……Page 142-176

6 26th December 2020 (SIR DHEVAT)

 Heat……………………………………………………………………………………Page 177-237

28th December 2020 (SIR DHEVAT) 7

 Radioactive………………………………………………………….……….…Page 238-277

8 28th December 2020 (SIR MAS FAIZ)

 Force & Motion Part 2………………………………………….…….………Page 142-176

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TABLE OF CONTENTS 9

29th December 2020 (SIR BRIAN)

 Force & Pressure………….………………………………………..………Page 278-291

10 30th December 2020 (SIR MAS FAIZ)

 Tips & Tricks……………………………………………………………..…………Page 292-348

2nd January 2021 (SIR MAS FAIZ) 11

 Electronic Part 1………………………………………………….……….…Page 349-376

12 5th January 2021 (SIR BRIAN)

 Light……………………………………………………………………….…………Page 377-390

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TABLE OF CONTENTS

10th January 2021 (SIR TAUFIK) 13

 Electromagnetism Part 2…………………..…………………………..……Page 48-87

14 14th January 2021 (SIR MAS FAIZ)

 Electronic Part 2………………………………………………………………Page 349-376

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SEMINAR ALL OUT SPM | 1ST SESSION

INTRODUCTION TO PHYSICS

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a

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SEMINAR ALL OUT SPM | 2ND & 3RD SESSION

ELECTRICITY

CAS (Charge)

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HUKUM OHM

 HUKUM OHM IALAH

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DAYA GERAK ELEKTRIK (ELECTROMOTIVE FORCE)

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BAHAGIAN A

1. Diagram 1.1 shows a simple electrical circuit set up to measure the current and potential

difference across a filament bulb.

Rajah 1.1 menunjukkan suatu litar elektrik ringkas untuk mengukur arus dan beza keupayaan

merentasi suatu mentol filament.

Diagram 1.1 / Rajah 1.1

a) ( i ) Name instruments P and Q.
Namakan alat P dan Q.

P :...............................................................................................................................

Q :...............................................................................................................................

Aras Rendah
[ 2 marks / 2 markah ]

( ii ) What is the use of R in the circuit ?
Apakah kegunaan R dalam litar ?

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

Aras Rendah
[ 1 mark / 1 markah ]

b) Diagram 1.2 shows two types of ammeter, A and B, that can be used in the circuit shown in
Diagram 1.1.

Rajah 1.2 menunjukkan dua jenis ammeter A dan B yang boleh digunakan dalam litar pada Rajah
1.1.

Ammeter A Ammeter B

Diagram 1.2 / Rajah 1.2 Prepared By Physics Dept.

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(i) If the current flowing through the filament bulb is 0.8 A, which ammeter would be
more suitable to be used ?
Jika arus yang melalui filament adalah 0.8 A, ammeter yang manakah lebih sesuai
digunakan.

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

Aras Rendah
[ 1 mark / 1 markah ]

c) Give one reason for your answer in (b)(i)
Berikan satu sebab bagi jawapan anda di (b)(i)

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

Aras Sederhana
[ 1 mark / 1 markah ]

2. Diagram 2.1 and Diagram 2.2 shows two simple electrical circuits. The ammeters, dry cells
and bulbs are leectrical in both diagram. The internal resistance of the dry cell can be ignored.

Rajah 2.1 dan Rajah 2.2 menunjukkan dua litar elektrik ringkas. Ammeter , sel kering dan mentol
adalah serupa dalam kedua-dua rajah. Rintangan dalam bagi sel kering boleh diabaikan.

Diagram 2.1 / Rajah 2.1 Diagram 2.2 / Rajah 2.2

a) Tick ( / ) the correct answer in the sentence below.
Tandakan ( / ) jawapan yang betul dalam ayat di bawah.

In Diagram 2.1 and Diagram 2.2 , the bulbs are connected in ....
Dalam Rajah 2.1 dan Rajah 2.2, mentol-mentol adalah disambung secara ..

Series / sesiri
Parallel / selari

Aras Rendah
[ 1 mark / 1 markah ]

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b) ( i ) Compare the ammeter readings in Diagram 2.1 and Diagram 2.2.
Bandingkan bacaan ammeter dalam Rajah 2.1 dan Rajah 2.2.
.................................................................................................................................
Aras Rendah
[ 1 mark / 1 markah ]

( ii ) State the relationship between the ammeter reading and the number of bulbs in the circuit.
Nyatakan hubungan antara bacaan pada ammeter dengan bilangan mentol dalam litar itu.

....................................................................................................................................
Aras Sederhana

[ 1 mark / 1 markah ]
c) Give one reason that causes the diiference in the ammeter readings in Diagram 2.1 and

Diagram 2.2.
Berikan satu sebab yang menyebabkan perbezaan pada ammeter Rajah 2.1 dan Rajah 2.2.

.......................................................................................................................................
Aras Sederhana

[ 1 mark / 1 markah ]
d) The two bulbs in Diagram 2.2 are then reconnected in a single row as shown in Diagram 2.3
Kedua-dua mentol pada Rajah 2.2 kemudian disambungkan semula dalam satu baris seperti yang
ditunjukkan pada Rajah 2.3.

Diagram 2.3 / Rajah 2.3
( i ) Mark the correct position of the pointer on the ammeter in Diagram 2.3
Tandakan kedudukan yang betul bagi penunjuk ammeter pada Rajah 2.3

Aras rendah
[ 1 mark / 1 markah ]

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( ii ) Are the bulbs shown in Diagram 2.3 ( brighter, the same or less bright ) than the
bulbs in Diagram 2.2 ?

Adakah mentol-mentol pada Rajah 2.3 ( lebih cerah, sama atau lebih malap )
daripada mentol pada Rajah 2.2 ?

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

Aras Sederhana
[ 1 mark / 1 markah ]

3. Diagram 3.1 shows a circuitused to investigate the relationship between current and potential
difference across a constantan wire s.w.g 24 with length 0f 10 cm.
Rajah 3.1 menunjukkan sebuah litar yang digunakan untuk menyiasat hubungan antara arus dan
beza keupayaan yang merentasi dawai konstantan s.w.g 24 dengan panjang 10 cm.

Rheostat Constantan wire
Reostat s.w.g 24

dawaikonstantan
s.w.g 24

Diagram 3.1 / Rajah3.1
(a) Name the measuring instrument labeled X and Y in Diagram 3.1
Namakan alat pengukur yang berlabel X dan Y dalam Rajah 3.1

X : ...................................................................

Y : ...................................................................

(b) (i) Aras Rendah
[ 2 marks / 2 markah ]
What is the relationship between the reading of the measuring instruments
X and Y ?
Apakah hubungan antara bacaan pada alat pengukur X dan Y ?

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

Aras Sederhana
[ 1 mark / 1 markah ]

(ii) State the physics’ law involved in 3b (i)
Nyatakan hukum fizik yang terlibat dalam 3b (i)

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

Aras Rendah
[ 1 mark / 1 markah ]

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(c) The experiment is repeated by using a constantan wire s.w.g 36 with the same length.
Diagram 3.2 show the graph V against I for the experiment.

Eksperimen diulangi dengan menggunakan dawai konstantan s.w.g dengan panjang yang sama.
Rajah 3.2 menunjukkan graf V melawan I untuk eksperimen tersebut.

Constantan wire s.w.g 36
Dawaikonstantans.w.g 36

Constantan wire s.w.g24
Dawaikonstantans.w.g 246

Diagram 3.2 / Rajah 3.2
Based on graph in Diagram 3.2 ;
Berdasarkan graf pada Rajah 3.2 ;

(i) What is the physical quantity represented by the gradient of the graph ?
Apakah kuantiti fizik yang diwakili oleh kecerunan graf ?
..................................................................................................................................
Aras Sederhana
[ 1 mark / 1 markah ]

(ii) Which of the constantan wire has the higher resistance ?
Dawai konstantan yang manakah mempunyai rintangan yang lebih tinggi ?
..................................................................................................................................
Aras Sederhana
[ 1 mark / 1 markah ]

(iii) Explain your answer in 3c (ii)
Jelaskan jawapan anda di 3c (ii)
..................................................................................................................................
Aras Tinggi
[ 1mark / 1 markah ]

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4. Diagram 4 shows an electric kettle with specification of 240 V, 1.2 kW.
Rajah 4menunjukkansebuahcerekelektrikdenganspesifikasi 240 V, 1.2 kW.

Heating element in the
metal tube

Elemen pemanas
dalam tiub logam

Diagram 4 / Rajah 4

(a) What is meant by the label 240 V, 1.2 kW.
Apakah yang dimaksudkan dengan label 240 V, 1.2 kW

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

Aras Rendah
[ 1 mark / 1 markah ]

(b) Calculate
Hitungkan

(i) The current flows through the elctric kettle.
Arus yang mengalir melalui cerek elektrik itu.

Aras Sederhana
[ 2 marks / 2 markah ]

(ii) The resistance of the heating elements in the kettle.
Rintangan elemen pemanas dalam cerek elektrik itu.

Arus Tinggi
[ 2 marks / 2 markah ]

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(c) Four electric kettles W, X, Y and Z with spesifications 240 V, 2 kW are made from the materials
with different characteristics.

Empat cerek elektrik W, X, Y dan Z dengan spesifikasi 240 V, 2 kW diperbuat daripada bahan-bahan
yang mempunyai ciri-ciri yang berlainan.

The characteristics of the materials are used

in the heting element in the kettle.

Kette Ciri-ciri bahan yang digunakan dalam elemen
cerek
pemanas cerek.
W
X Boiling point /0C Resistivity / 10-8 Ω m Fuse
Y Takat didih/0C Kerintangan / 10-8 Ω m Fius
Z 8A
3501 13.5
10 A
1085 5.2
10 A
3387 12.4
8A
1064 4.63

Table 1 / Jadual 1

(i) Based on the characteristics of the heating elements in Table 8.1, suggest two electric
kettles are suitable to heat water. Give the reason for your answer.
Berdasarkan ciri-ciri elemen pemanas dalam Jadual 8.1, cadangkan dua cerek elektrik
yang sesuai untuk memanaskan air. Berikan sebab bagi jawapan anda.

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

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

Aras Tinggi
[ 3 marks / 3 markah ]

(ii) Based on the fuse in the Table 1, suggest two electric kettles are suitable to heat water.
Give the reason for your answer.
Berdasarkan fius yang digunakan dalam jadual 1, cadangkan dua cerek elektrik yang
sesuai digunakan untuk memanaskan air. Berikan sebab bagi jawapan anda.

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

................................................................................................................
Aras Sederhana

[ 2 marks / 2 markah ]

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(iii) Using your answer in (b)(i) and (b)(ii), suggest which electric kettles is the most suitable
to heat water. Give the reason for your answer.
Menggunakan jawapan anda dalam (b)(i) dan (b)(ii), cadangkan cerek elektrik yang
paling sesuai digunakan untuk memanaskan air. Berikan sebab bagi jawapan anda.
........................................................................................................................................
.............
Aras Sederhana
[ 2 marks / 2 markah ]

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BAHAGIAN B
1. Diagram 1.1 and diagram 1.2 shows the bulbs connection at fruit stores. The bulbs and the

battery in boths store are identical.
Rajah 1.1 dan Rajah 1.2 menunjukkan mentol-mentol yang disambungkan ke gerai buah-buahan
dan bateri pada kedua-dua gerai adalah serupa.

Diagram 1.1 / Rajah 1.1

Diagram 1.2 / Rajah 1.2

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(a) (i) What is meat by potential different ?
Apakah yang dimaksudkan dengan beza keupayaan ?

Aras Rendah
[ 1 mark / 1 markah ]

(ii) Draw a circuit diagram for each circuit and label the type of circuit.
Lukiskan litar bagi setiap Rajah dan labelkan jenis litar tersebut.
Aras Sederhana
[ 4 marks / 4 markah ]

(b) Using Diagram 1.1 and 1.2 , compare the brightness of the bulbs. Relate the brigthness of the
bulb, the potential different and the current flow for the bulbs to deduce a relevent physics
concept.

Menggunakan Rajah 1.1 dan 1.2 bandingkan kecerahan mentol-mentol.
Hubungkaitkan kecerahan mentol, beza keupayaan dan arus yang mengalir melalui mentol untuk
menyimpulkan satu konsep fizik yang relevan.

Aras Sederhana
[ 5 marks / 5 markah ]

(c) Diagram 1.3 shows an electric ketle which is a rated 240 V, 2 kW and connected by a flexible

cable to a three-pin-plug.

Rajah 1.3 menunjukkan sebuah cerek elektrik berlabel 240 V , 2 kW dan disambungkan oleh kabel

mudah alih ke plag-tiga-pin. Electric

kettle

Cerek

Three pin elektrik

plug

Plug tiga pin

Flexible cable Heating element
Kabel mudah alih. Elemen pemanas

Diagram 1.3 / Rajah 1.3

Suggest modifications that can be made to the electric kettle in Diagram 1.3 so that it can boil water
faster and has better safety.
Cadangkan pengubahsuaian yang boleh dilakukan pada cerek elektrik dalam Rajah 1.3 supaya
dapat mendidihkan air dengan lebih cepat dan selamat.

Aras Tinggi
[ 10 marks / 10 markah ]

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2. Diagram 2.1 and 2.2 show the eletric circuit which connects a bulb to a digital ammeter and a
power supply.
Rajah 2.1 dan Rajah 2.2 menunjukkan litar elektrik yang mengandungi mentol yang
disambungkan kepada sebuah ammeter digital dan punca bekalan kuasa.

Diagram 2.1 Diagram 2.2
Rajah 2.1 Rajah 2.2

(a) (i) What is the meaning of current ?
Apakah yang dimaksudkan dengan arus ?

Aras Rendah
[1 mark / 1 markah ]

(iii) Using Diagram 2.1 and Diagram 2.2 , compare the brightness of the bulb light up, the
number of batteries and the reading of ammeter.
Relate the brightness of the bulb light up with reading ammeter to make a deduction
regarding the relationship between the voltage and the magnitude of current flows.
Menggunakan Rajah 2.1 dan Rajah 2.2, bandingkan kecerahan mentol, bilangan bateri
dan bacaan ammeter.
Hubungkaitkan kecerahan mentol dengan bacaan ammeter untuk membuat deduksi
tentang hubungan antara voltan dan magnitud aliran arus.

Aras Sederhana
[ 5 marks / 5 markah ]

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(b)

Diagram 2.3 / Rajah 2.3
Diagram 2.3 shows phenomenon of thunder and lightning. Explain how thunder and lightning occurs.
Rajah 2.3 menunjukkan kejadian petir kilat. Terangkan bagaimana petir kilat berlaku.

Aras Sederhana
[ 4 marks / 4 markah ]

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(c) Rajah 2.4 menunjukkan pencahayaan dalam sebuah perpustakaan.

Diagram 2.4 / Rajah 2.4

You are required to modify the lightning of the library in Diagram 2.4, so that it more brighter, cheaper
and safer.
State and explain the modifications based on the library on the following aspects :
Anda dikehendaki mengubahsuai pencahayaan perpustakaan dalam Rajah 10.4 supaya lebih
cerah, murah dan selamat.

Nyata dan terangkan pengubahsuaian berdasarkan aspek-aspek berikut.
(i) The connection of the lamp circuit.

Sambungan litar lampu
(ii) Reflection of light.
Pantulan cahaya
(iii) Type of lamp
Jenis lampu
(iv) Safety

keselamatan
(v) Power of lamp.

Kuasa lampu.

Aras Tinggi
[ 10 marks / 10 markah ]

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3. (a) Diagram 3.1 shows an experiment to observe the pattern of the electric field for two point
charges.
Rajah 3.1 menunjukkan suatu eksperimen untuk memerhatikan corak medan elektrik
bagi dua cas titik.

Diagram 3.1 / Rajah 3.1
(i) Suggest and explain modifications that can be made to the set up in Diagram 3.1 to

produce and display more clearly a stronger and uniform electric field between two
electrodes.
Cadang dan terangkan pengubahsuaian yang boleh dibuat kepada susunan radas
dalam Rajah 3.1 untuk menghasilkan dan memaparkan dengan lebih jelas suatu
medan elektrik yang lebih kuat dan seragam antara dua elektrod.
Your answer should include the following aspects ;
Jawapan anda perlu meliputi aspek berikut;
(i) Shape of the electrode

Bentuk elektrod
(ii) Size of the electrode

Size elektrod
(iii) Distance between the electrodes

Jarak diantara elektrod
(iv) Magnitude of the power supply

Magnitud bekalan kuasa
(v) Size of the seeds

Saiz benih
Aras Tinggi

[ 10 marks / 10 markah ]

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(b) Diagram 3.2 shows two electrical circuits, A and B consisting of identical dry cells and
light bulbs. The connecting wires in both circuits are made of the same material and
same length.
Rajah 3.2 menunjukkan dua litar elektrik , A dan B yang mengandungi sel kering dan
mentol yang serupa. Wayar penyambung dalam kedua-dua litar diperbuat daripada
bahan yang sama dan mempunyai panjang yang sama.

Diagram 3.2 / Rajah 3.2

Compare the brightness of the bulbs and the thickness of the wires.
Relate the brightness of the bulb to the current in the circuit.
Relate the current in the circuit to the resistance of the connecting wire.
Hence , state the relationship between the thickness of the connecting wire to its
resistance.
Bandingkan kecerahan mentol dan ketebalan wayar penyambung.
Hubungkaitkan kecerahan mentol kepada arus dalam litar.
Hubungkaitkan arus dalam litar kepada rintangan wayar penyambung.
Seterusnya nyatakan hubungan antara ketebalan wayar penyambung kepada
rintangannya.

Aras Sederhana
[ 5 marks / 5 markah ]

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(c) Diagram 3.3 shows the graph of potential difference, V against current, I for a filament lamp.
Rajah3.3 menunjukkan graf beza keupayaan, V melawan arus , I bagi sebuah lampu filament.

Diagram 3.3 / Rajah 3.3

(i) Explain whether the filament lamp obeys Ohm’s law.
Terangkan sama ada lampu filament itu mematuhi hukum Ohm.

Aras sederhana

(ii) What happens to the resistance of the filament when the current increases ?
Apakah yang berlaku kepada rintangan filament apabila arus bertambah ?
Terangkan jawapan anda.

Aras Sederhana
[ 4 marks / 4 markah ]

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BAHAGIAN C

1. A bulb has a power rating 6 V, 18 W.
Sebuah mentol mempunyai perkadaran kuasa 6 V, 18 W.

(a) What is the meaning of power ?
Apakah maksud kuasa ?

Aras Rendah
[ 1 mark / 1 markah ]

(b) Two identical bulbs, P and Q are connected in a circuit as shown in Diagram 1.1
Dua mentol yang serupa P dan Q disambungkan dalam satu litar seperti yang ditunjukkan dalam
Rajah 1.1

Diagram 1.1 / Rajah 1.1

If another identical bulb is connected to XY parallel to the bulb P, explain what happen to the reading
of the ammeter and voltmeter.
Jika sebuah mentol lain yang serupa disambung kepada XY selari dengan mentol P. Terangkan apa
yang berlaku kepada bacaan ammeter dan voltmeter.

Aras Sederhana
[ 4 marks / 4 markah ]

(c) Three identical bulbs labelled 6 V, 18 W are connected as shown in Diagram 1.2
Tiga mentol yang serupa berlabel 6 V, 18 W disambungkan seperti ditunjukkan dalam Rajah 1.2.

Diagram 1.2 / Rajah 1.2

Calculate.
Hitungkan.

(i) The resistance of the bulb.
Rintangan satu mentol

(ii) The total resistance in the circuit Aras Sederhana
Jumlah rintangan dalam litar.
Aras Sederhana

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(iii) The total energy dissipated by the bulbs in 2 minutes
Jumlah tenaga yang dilesapkan oleh mentol-mentol tersebut dalam masa
2 minit.
Aras Tinggi
[ 5 marks / 5 markah ]

(d) Diagram 1.3 shows four hairdryers for R, S , T and U with difference spesifications
Your are required to determine the most suitable hairdryer for drying hair quickly and safely.
Study the specifications of all the four hairdryer from the following aspects ;
Rajah 1.3 menunjukkan empat pengering rambut R, S T dan U dengan spesifikasi yang berbeza.
Anda dikehendaki menentukan pengering rambut yang paling sesuai untuk mengeringkan rambut
dengan cepat dan selamat.
Kaji spesifikasi keempat-empat pengering rambut itu daripada aspek-aspek berikut ;

 The type of heating element
Jenis unsur pemanas

 The thickness of wire of the heating element.
Ketebalan dawai unsur pemanas

 The power of the fan
Kuasa kipas

 The suitable fius.
Fius yang sesuai.

Explain the suitability of the aspects and determine the most suitable hairdryer.
Terangkan kesesuaian aspek-aspek itu dan tentukan pengering rambut yang paling sesuai.
Berikan sebab bagi pilihan anda.

Aras Tinggi
[ 10 marks /10 markah ]

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Page | 43

Diagram 1.3 / Rajah 1.3

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Page | 44

2. Diagram 2.1 shows a hair dryer labellled 240 V, 500 W connected to a three pin plug.
Diagram 2.2 shows the fuse in the three pin plug.
Rajah 2.1 menunjukkan sebuah pengering rambut berlabel 240 V, 500 W yang disambungkan
kepada sebuah palam tiga pin.
Rajah 2.2 menunjukkan fius yang terdapat di dalam palam tiga pin itu.

Rajah 2.1
Diagram 2.1

Rajah 2.2
Diagram 2.2

(a) Satte two properties of the material of the heating element in the hair dryer.
Nyatakan dua ciri bagi bahan elemen pemanas di dalam pengering rambut itu.
Terangkan jawapan anda.

Aras sederhana [KBAT]
[ 4 marks / 4 markah ]

(b) (i) What is the meaning of the label 0.5 A on the fuse ?
Apakah maksud label 0.5 A pada fius itu ?

Aras rendah
[ 1 mark / 1 markah ]

Prepared By Physics Dept.

Page | 45

(ii) Table 2 shows the spesification of a few metals to be used as a fuse wire.
Jadual 2 menunjukan spesifikasi bagi beberapa jenis logam untuk digunakan sebagai.
Dawai fius.

Metal Melting point Specific heat capacity. Diameter Resistivity
Logam Takat lebur /0C Muatan haba tentu / Diameter Kerintanga
J kg-10C-1
W 1100 Big n
900 Besar Low
Small Rendah
X 600 900 Kecil High
Tinggi
Y 1100 240 Big Low
Besar Rendah
Z 700 240 Small High
Kecil Tinggi

Table 2

Explain the suitablility of each characteristics of the four metals and determine the most suitable
metal to be used as the fuse wire.Give reasons for your choice.

Terangkan kesesuaian setiap ciri bagi empat jenis logam itu dan tentukan logam yang paling
sesuai untuk digunakan sebagai dawai fius.

Berikan sebab-sebab bagi pilihan anda.

Aras Tinggi
[ 10 marks / 10 markah ]

Prepared By Physics Dept.

Page | 46

(c) The hair dryer is Diagram 2.1 is switched on.
Pengering rambut dalam Rajah 2.1 dihidupkan.

(i) Calculate the current flowing through the hair dryer.
Hitung arus yang mengalir melalui pengering rambut itu.
Aras Sederhana [KBAT]

(ii) State whether the 0.5 A fuse is suitable to be used in the pluq.
Nyatakan sama ada fius 0.5 A sesuai digunakan dalam palam itu.

Aras Rendah

(iii) Calculate the energy used by the hair dryer when it is switched on for 10 minutes.
Hitung tenaga yang digunakan oleh pengering rambut itu apabila ia dihidupkan selama
10 minit.
Aras Tinggi [KBAT]
[ 5 marks / 5 markah ]

Prepared By Physics Dept.

Page | 47

SEMINAR ALL OUT SPM | 3RD & 13TH SESSION

ELECTROMAGNETISM

ELEKTOMAGNET

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Page | 48

Prepared By Physics Dept.

Page | 49

Prepared By Physics Dept.

Page | 50