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BAHAGIAN PENGURUSAN SEKOLAH BERASRAMA PENUH
UJIAN-PRA
CORUS FIZIK 2022
2 jam
Nama Pelajar
: …………………………………………………………………………………………………………
SBP
: …………………………………………………………………………………………………………
Kelas
: ………………………………
Nama Guru
: …………………………………………………………………………………………………………
Tarikh
: ……………………………………………………
Jangan Buka Kertas Soalan Sehingga Diberitahu oleh Pengawas Peperiksaan
Arahan:
Kemahiran
1.
Anda dikehendaki menjawab
semua soalan di dalam naskah
ini. Tiada kertas jawapan
tambahan yang diperlukan.
2.
Kalkulator saintifik yang tidak
boleh diprogram adalah
dibenarkan.
3.
Anda tidak dibenarkan merujuk
kepada mana-mana sumber
seperti buku, nota dan maklumat
di internet.
4.
Satu senarai rumus disediakan di
halaman 2 dan 3 sebagai
rujukan.
1. Mengingati
2. Memahami
3. Mengaplikasi
4. Menganalisis
5. Menilai
6. Mencipta
Soalan
Markah
Diperolehi
1.a
2.a
3.a
4.a
5.a
6.a
7.a
8.a
9.a
10.a
1.b
2.b
3.b
4.b
5.b
6.b
7.b
8.b
9.b
10.b
Jumlah
Kertas soalan ini mengandungi 13 halaman bercetak
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Markah
Penuh
Markah
1
1
1
1
1
1
1
1
1
1
2
3
3
4
5
5
5
8
4
6
10
5
7
10
13
10
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Rumus-rumus berikut boleh membantu anda menjawab soalan.
Simbol-simbol yuang diberikan adalah biasa digunakan.
DAYA DAN GERAKAN I
FORCE AND MOTION I
HABA
HEAT
1
Q = mcΔθ
( u + v) t
2
Q = ml
1
2
3
Q = Pt
v 2 = u2 + 2as
4
P1 V1 = P2 V2
5
p = mv
5
6
F = ma
6
1
v = u + at
2
s=
3
s = ut +
4
1
2
at2
KEGRAVITIAN
GRAVITATION
1
F =
2
g=
3
F=
V1
T1
P1
T1
V2
=
=
T2
P2
T2
GELOMBANG
WAVES
Gm1 m2
r2
GM
r2
1
v = fλ
2
λ =
mv2
r
ax
D
CAHAYA DAN OPTIK
v2
4
a=
LIGHT AND OPTICS
5
v=
6
T1 2
r1 3
7
v=√
8
U=
9
v=√
10
g = 9.81 m s-2
6
n1 sin θ1 = n2 sin θ2
11
G = 6.67  10-11 N m2 kg-2
7
Pembesaran linear, m
r
2πr
T
T2 2
r2 3
=
GM
r
−GMm
r
2GM
n=
2
n=
3
n=
4
n=
5
r
2
Hak Cipta BPSBP KPM © 2022
1
1
f
c
v
sin i
sin r
1
sin c
H
h
1
1
= u+v
=
hi
ho
v
=u
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DAYA DAN GERAKAN II
FORCE AND MOTION II
1
F = kx
2
EP = Fx =
1
2
ELEKTRONIK
ELECTRONIC
1
kx 2
2
1
E = eV
2
EK =
3
β=
1
2
mv2
IC
IB
TEKANAN
PRESSURE
FIZIK NUKLEAR
F
1
P =
2
P = hρg
3
ρ=
NUCLEAR PHYSICS
A
m
V
1 n
1
n = (2) NO
2
E = m𝑐 2
3
c = 3.00 × 108 ms −1
4
1 u.j.a. = 1.66 × 10−27 kg
ELEKTRIK
ELECTRICITY
1
F
E =
Q
FIZIK KUANTUM
Q
t
2
I=
QUANTUM PHYSICS
3
V=
E
Q
1
E = hf
4
V = IR
2
f=
5
R=
3
λ=
6
ε = V + Ir
4
λ=
7
P = VI
5
E=
8
P=
6
p = nhf
9
E =
7
hf = W +
8
W = hfO
9
h = 6.63 × 10−34 Js
ρl
A
E
t
V
d
c
λ
h
p
h
mv
hc
λ
1
2
mv 2
ELEKTROMAGNET
ELECTROMAGNETISM
1
2
Vs
Vp
=
η=
Ns
Np
PO
PI
× 100 %
3
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Arahan : Jawab semua soalan
1
Rajah 1 menunjukkan air dipanaskan sehingga mendidih.
Didapati suhu air ketika mendidih tidak berubah.
Diagram 1 shows water heated to boiling.
It was found that the temperature of water when boiling does not change.
Termometer
Thermometer
Air mendidih
Boiling water
Rajah 1 / Diagram 1
(a)
(b)
Apakah maksud suhu?
What is meant by temperature?
.........................................................................................................................................................
[1 markah/mark]
Terangkan mengapa pada takat didih air, suhu air kekal tidak berubah tetapi keadaan
jirim berubah dari cecair kepada stim.
Explain why at the boiling point of water, the temperature of water remain unchanged
but the state of matter changes from liquid to steam.
.........................................................................................................................................................
.........................................................................................................................................................
[2 markah/marks]
2
Rajah 2 menunjukkan sebuah satelit sedang mengorbit Bumi.
Daya memusat, F sentiasa bertindak ke arah pusat bumi.
Diagram 2 shows a satellite orbiting around Earth.
Centripetal force, F always acts towards the center of the earth.
F
Satelit
Satellite
Rajah 2 / Diagram 2
4
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(a)
(b)
Apakah maksud daya memusat?
What is meant by centripetal force?
.........................................................................................................................................................
[1 markah/mark]
Terangkan apa yang berlaku kepada satelit jika laju linear, v satelit itu semakin berkurang.
Explain what happens to a satellite if its speed decreases.
.........................................................................................................................................................
.........................................................................................................................................................
.........................................................................................................................................................
[3 markah/marks]
3
Rajah 3 menunjukkan keratan rentas satu dawai berarus di dalam satu medan magnet.
Diagram 3 shows the cross-section of a current-carrying wire in a magnetic field.
S
N/U
Kekunci:
Key:
Arus keluar dari atas
Current out of the paper
Rajah 3 / Diagram 3
(a)
(b)
Nyatakan maksud medan magnet.
State the meaning of magnetic field?
.........................................................................................................................................................
[1 markah/mark]
Pada Rajah 3,
In Diagram 3,
(i) lukis corak medan magnet paduan yang terhasil.
draw the pattern of the resultant magnetic field produced.
(ii) tandakan arah daya yang bertindak ke atas dawai tersebut
mark the direction of the force acting on the wire
[3 markah/marks]
5
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SULIT
4
UJIAN PRA CORUS FIZIK
Rajah 4 menunjukkan satu litar yang digunakan untuk menentukan rintangan dalam, r satu sel
kering. Ammeter dan voltmeter masing-masing digunakan untuk mengukur arus dan beza
keupayaan.
Diagram 4 shows a circuit which is used to determine the internal resistance, r of a dry cell.
Ammeter and voltmeter are used to measure current and potential difference respectively.
Sel kering
Dry cell
4Ω
4Ω
4Ω
Rajah 4 / Diagram 4
(a)
(b)
Apakah maksud arus
What is meant by current?
.........................................................................................................................................................
[1 markah/mark]
(i) Semasa suis dibuka, hitungkan rintangan berkesan dalam litar.
During switch is opened, calculate the effective resistance of the circuit.
[2 markah/marks]
(ii) Hitungkan rintangan dalam bagi litar sekiranya daya gerak elektrik (d.g.e) sel kering
ialah 3 V. Arus 0.48 A mengalir melalui litar apabila suis ditutup.
Calculate the internal resistanve of the circuit if the electromotive force (e.m.f) of the
drycell is 3 V. The current of 0.48 A flows through the circuit when the switch is closed.
[2 markah/marks]
6
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5
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Rajah 5 menunjukkan graf halaju-masa bagi bas A dan bas B yang membuat perjalanan dari
Kuala Lumpur ke Pulau Pinang. Kedua-dua bas bertolak pada masa yang sama.
Diagram 5 shows the velocity-time graph for bus A and bus B travelling from Kuala Lumpur to
Penang. Both buses leave at the same time.
Halaju / km j-1
Velocity / km h-1
Bas A
Bus A
Bas B
Bus B
Masa / j
Time / h
Rajah 5 / Diagram 5
(a)
(b)
Nyatakan maksud halaju.
State the meaning of velocit.
.........................................................................................................................................................
[1 markah/mark]
Berdasarkan Rajah 5,
Based on Diagram 5,
(i) Bandingkan kadar perubahan halaju bagi bas A dan bas B.
Compare the rate of change of velocity of bus A dan bus B.
........................................................................................................................................................
[1 markah/mark]
(ii) Bandingkan kecerunan graf bagi bas A dan bas B.
Compare the gradient of graph of bus A dan bus B.
........................................................................................................................................................
[1 markah/mark]
(iii) Bandingkan luas di bawah graf bagi bas A dan bas B.
Compare the area under graph of bus A dan bus B.
........................................................................................................................................................
[1 markah/mark]
(iv) Hubungkait kecerunan graf dengan pecutan bas.
Relate the gradient of the graph with the acceleration of the bus.
........................................................................................................................................................
[1 markah/mark]
(v) Hubungkait luas di bawah graf dengan jumlah sesaran bas.
Relate the area under graph with the total displacement of the bus.
........................................................................................................................................................
[1 markah/mark]
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SULIT
6
UJIAN PRA CORUS FIZIK
Rajah 6 menunjukkan dua spring yang sama panjang diperbuat daripada bahan yang sama
tetapi berbeza ketebalan dan pemalar spring mengalami pemanjangan apabila beban berjisim
300 g digantung padanya.
Diagram 6 shows two springs, A and B of the same length made of the same material but of
difference thickness anda spring constant experiencing extension when load of mass 300 g hung
to it.
Spring B
Spring A
Beban 300 g
Load 300 g
Beban 300 g
Load 300 g
Rajah 6 / Diagram 6
Pemanjangan Spring A dan Spring B mematuhi Hukum Hooke
The extension of Spring A and Spring B obeys Hooke's Law
(a)
(b)
Nyatakan Hukum Hooke
State Hooke’s Law.
.........................................................................................................................................................
[1 markah/mark]
Menggunakan Rajah 6, bandingkan ketebalan dawai spring, pemanjangan spring dan
daya yang dikenakan ke atas spring. Hubungkaitkan ketebalan dengan pemanjangan
spring untuk membuat kesimpulan berkaitan hubungan antara pemalar spring dan
ketebalan spring.
Based on Diagram 6, compare the thickness of the spring’s wire, the extension of the
spring and the force exerted towards the spring. Relate the thickness of the spring with the
extension of the spring to make a deduction regarding the relationship between the
spring constant and the thickness of the spring.
.........................................................................................................................................................
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[5 markah/marks]
8
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SULIT
7
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Rajah 7 berikut menunjukkan tiga reka bentuk litar yang mengandungi transistor yang bertindak
sebagai sistem suis automatik E, F dan G. Litar itu boleh menghidupkan sebuah kipas berlabel
240 V, 100 W dalam sebuah bilik secara automatik apabila bilik itu panas.
Diagram 7 shows two circuit designs containing transistors that act as automatic switching systems
E, F and G. The circuit can turn on a fan labeled 240 V, 100 W in a room automatically when the
room is hot.
Litar E / Circuit E
Litar F / Circuit F
Litar G / Circuit G
Rajah 7 / Diagram 7
(a)
Nyatakan rintangan termistor mengikut suhu
State the resistance of a thermistor with temperature
.........................................................................................................................................................
[1 markah/mark]
(b)
Berdasarkan Rajah 7, nyatakan reka bentuk litar yang mana yang paling sesuai sebagai
sistem suis automatik untuk menghidupkan kipas secara automatik dan berfungsi secara
normal apabila hari panas. Beri sebab untuk pilihan anda.
Based on the Jadual 7, state the suitable circuit design that is most suitable as an
automatic switch system to turn on the fan automatically and works normally when the
day is hot. Give reasons for your choice.
9
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(i) Kedudukan termistor dan perintang tetap, R
The position of the thermistor and fixed resistor, R
……………………………………………………………………………………………….....................
Sebab / Reason
……………………………………………………………………………………………….....................
[2 markah/marks]
(ii) Keperluan menggunakan suis geganti
The need to use a relay switch
……………………………………………………………………………………………….....................
Sebab / Reason
……………………………………………………………………………………………….....................
[2 markah/marks]
(iii) Sistem yang dipilih adalah
Selected system is
……………………………………………………………………………………………….....................
[1 markah/mark]
8
Rajah 8 menunjukkan sebuah piring parabola yang digunakan untuk menerima isyarat
gelombang yang dipancarkan oleh satelit komunikasi.
Diagram 8 shows a parabolic disc used to receive wave signal transmitted by the
communication satellites.
Penerima Isyarat
Signal Receiver
Piring parabola
Parabolic Disc
Rajah 8 / Diagram 8
Jadual 8 menunjukkan empat jenis piring parabola P, Q, R dan S yang diperlukan oleh sistem tv
satelit bagi menerima isyarat gelombang dengan berkesan
Table 8 shows four type of satellite disc P, Q, R and S required by satellite tv systems to receive
wave signals effectively.
Piring parabola
Parabolic disc
Frekuensi
gelombang
Wave frequency
Jarak antara penerima isyarat dan priring parabola
Distance between signal receiver and parabolic
disc
Diameter piring
parabola
Parabolic disc
diameter
P
Rendah
Low
Sama dengan panjang focus
Same as focal length
Kecil
Small
Q
Tinggi
High
Sama dengan panjang focus
Same as focal length
Besar
Big
R
Rendah
Low
Kurang dari panjang focus
Less than focal length
Besar
Big
S
Tinggi
High
Kurang dari panjang focus
Less than focal length
Kecil
Small
10
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Jadual 8 / Table 8
(a)
(b)
Apakah maksud frekuensi
What is meant by frequency?
.........................................................................................................................................................
[1 markah/mark]
Berdasarkan Jadual 8, anda dikehendaki untuk menentukan pring parabola yang paling
sesuai untuk digunakan untuk menerima isyarat gelombang yang dipancarkan oleh satelit
komunikasi.
Based on Table 8, you are required to determine the most suitable parabolic disc used to
receive wave signal transmitted by the communication satellites.
[8 markah/marks]
Jawapan :
Ciri-ciri/ Characteristics
Sebab/ Reasons
Pilihan :
Choice :
9
Rajah 9 menunjukkan imej bagi satu objek jauh yang dilihat menerusi sejenis kanta.
Didapati imej tersebut kurang jelas.
Diagram 9 shows the image of a distant object seen through a lens.
It was found that the image is not clear.
Rajah 9 / Diagram 9
Anda diberi kanta A dan kanta B dengan panjang fokus masing-masing 5.0 cm dan 10.0 cm.
You are given lens A and lens B with focal lengths of 5.0 cm and 10.0 cm, respectively
(a)
Nyatakan maksud panjang fokus
State meaning of focal length
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(b)
[1 markah/mark]
Cadangkan bagaimana sebuah teleskop dapat dibina dengan menggunakan kanta A
dan B untuk menghasilkan imej yang paling terang dan jelas berdasarkan aspek-aspek
berikut :
Suggest how a telescope can be built using lenses A and B to produce the brightest and
clearest image based on the following aspects :
(i) panjang fokus kanta mata
focal length of eyepiece lens
……………………………………………………………………………………………….....................
Sebab / Reason
……………………………………………………………………………………………….....................
[2 markah/marks]
(ii) Diameter kanta objek
Diameter of objective lens
……………………………………………………………………………………………….....................
Sebab / Reason
……………………………………………………………………………………………….....................
[2 markah/marks]
10
Rajah 10 menunjukkan sebuah reaktor nuklear ringkas.
Diagram 10 shows a simple nuclear reactor.
Rajah 10 / Diagram 10
Pembelahan nukleus yang berlaku di dalam reaktor nuklear menghasilkan tenaga nuklear.
Nuclear fission that occurs in a nuclear reactor produces nuclear energy.
(a)
Apakah maksud pembelahan nukleus?
What is meant by nuclear fission?
.........................................................................................................................................................
[1 markah/mark]
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(b)
Anda dikehendaki untuk memberi beberapa cadangan untuk mereka bentuk sebuah
reaktor nuklear yang lebih cekap berdasarkan beberapa aspek:
You are required to give opinions on how to create an effective nuclear reactor based on
the following aspects:
(i) Rod bahan api
Fuel rod
(ii) Moderator
Moderator
(iii) Ketebalan dinding
Thickness of wall
[6 markah/marks]
Jawapan :
Pengubahsuaian / Modification
Penerangan / Explanation
Kertas Soalan Tamat
End of Question Paper
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