Chapter 06 - Waves
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SPM 2005
29 Which graph represents waves?
Graf yang manakahtermodulasi amplitud?
30 A tilted basin contains water. Water is dripped at a
constant rate into the basin as shown in the diagram
below.
Sebuah besen berisi air diletakkan condong. Air dititiskan
pada kndar sekata ke dalam besen itu seperti ditunjukkan
pada gambar rajah di bawah.
Which pattem of the wave fronts will be observed in the
basin?
Corak muka gelombang yang manakah akan
diperhatikan dalam besen ituT
31 In a Young's double slit experiment, red fringes are
formed on the screen when a red light source is used.
What will be observed if the red light source is replaced by
a blue light source?
Dalam suatu eksperimen dwicelah Young, pinggir-pinggir
merah kelihatan pada skrin apabila sumber cahaya
merah digunakan. Apakah akan diperhatikan jika sumber
cahaya merah digantikan dengan sumber cahaya biru?
[A] Number of fringes decrease
Bilangan pinggir-pinggir berkurang
[B] Brightness of tire fringes increases
Kecerahan pinggir-pinggir bertambah
[C] Distance between fringes decreases
Jarak antara ping gir-pinggir berkurang
32 The diagram shows a wavefront pattern produced by a
dipper vibrating at a frequency of 12 Hz in a ripple tank.
Gambar rajah menunjukkan corak muka gelombang yang
terhasil apabila satu pencelup bergetar di dalam tangki
riak dengan frekuensi 12Hz.
What is the speed of the waves?
Berapakah laju gelombang itu?
[A] 2 cms-1 [C] 12 cms-l
[B] 8 cms-l [D] 18 cms-l
[E] 36 cms-l
33 The diagram shows the wavefronts of a plane wave
incident on a plane reflector.
Gambar rajah menunjukkan muka gelombang satah
ditujukan ke pemantul satah.
Which statement is correct about the reflected and
incident waves?
Pernyataan yang manakah betul tentang gelombang
pantulan dan gelombang tuju?
[A] The speed of the reflected waves is the same as
the speed of the incident waves
Laju gelombang pantulan sama dengan laju
gelombang tuju
[B] The wavelength of the reflected waves is
shorter than that of the incident waves
Panjang gelombang bagi gelombang pantulan lebih
pendek daripada panjang gelombang bagi
gelombang tuju
[C] The frequency of the reflected waves is lower than
that of the incident waves
Frekuensi gelombang pantulan lebih kecil daripada
frekuensi gelombang tuju
[D] The directions of the reflected waves are always atright angles to the incident waves
Arah gelombang pantulan tegak dengan arah
gelombang tuju sentiatsa bersudut
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34 The diagram shows the wave pattern formed by waves
from two coherent sources, X and Y.
Gambar rajah menunjukkan corak gelombang yang
terbentuk daripada dua sumber gelombang yang
koheren, X dan Y.
Destructive interference occurs at
Interferens memusnah berlaku pada kedudukan
[A] R only [C] P and Q
R sahaja P dan Q
[B] Q only [D] P and R
Q sahaja P dan R
35 The graphs show the cross-sections of water waves.
Which wave has the greatest energy?Rajah menunjukkan keratan rentas gelombang air.
Gelombang yang manakah mempunyai tenaga yang
paling besar?
SPM 2006
29 A thin guitar string is strummed hard. It will produce a loud
and high pitch sound. The most suitable graph to
represent the above situation is
Tali gitar halus dipetik dengan kuat. Ia akan menghasilkan
bunyi yang lang,sing dan nyaring. Graf yang paling sesuai
mewakili situasi di atas ialah.
30 The process of combining audio and radio frequency
signals is know as
Proses menggabungkan isyarat frekuensi audio dengan
isyarat frekuensi radio dikenali sebagai
[A] resonance
resonan
[B] damping
pelembapan
[C] modulation
modulasi
[D] rectif ication
rektifikasi
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31 Diagram 18 shows the cross section of water waves.
Rajah 18 menunjukkan keroten rentas gelombang air.
Which of the following statements is true about the water
waves?
Antara pemyataan berikut, manakah benar mengenai
gelombang air?
[A] T and U have the same phase
T dan U mempunyai fasa yang sama
[B] Wave energy is transferred from position S to U
Tenaga gelombang dipindahkan dari kedudukan
S ke U
[C] The wavelength is the distance between S and
Panjang g,elombang adalah jarak antara S dan U
[D] The particle at U oscillates in a direction parallel to
the direction of the wave propagation
Zarah di U berayun padu arah selari dengan arah
perambatan gelombang antara S
32 Diagram 19 shows a ripple tank with a sloping base and a
vibrator being vibrated.
Rajah 19 menunjukkan sebuah tangki riak dengan dasar
condong dan penggetar digetarkan.
Which of the following wave patterns can be seen on the
screen?
Antara corak gelombang berikut, yang manakah
boleh diperhatikan di atas skrin?
33 Diagram 20 shows the interference pattems for water
waves from two coherent sources, 51 and 52.
Rajah 20 menunjukkan corak interferens bagi gelombang
air dari dua sumber, 31 dan 52, yang koheren.
Which of the following shows the superposition of the
waves at point Y?
Antara yang berikut, yang manakah menunjukkan
superposisi gelombang pada titik Y?
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34 Diagram 21 shows a submarine transmitting ultrasonic
waves directed at a big rock on the sea bed. After 10
seconds, the submarine detects the reflected wave.
Rajah 2l menunjukkan sebuah kapal selam
memancarkan gelombang ultrasonik ke arah batu besar
di dasar laut. Selepas 10 saat, kapal selam itu mengesan
gelombang yang dipantulkan.
Calculate the distance of the submarine from the big rock.
[Velocity of ultrasonic wave = 1 560 m s-l]
Hitung jarak kapal selam dari batu besar itu.
[Hataju gelombang ultasonik = I 560 m s-l]
[A] 3.9 km [B] 7.8 km
[C] 15.6 km [D] 31.2krn
[E] 156.6 km
35 Diagram 22 shows two situations where a ball floats and
moves on the surface of the water.
Rajah 22 menunjukkan dua situasi sebiji bola terapung
dan bergerak di permukaan air.
The direction of the movement of the ball is
Arah pergerakan bola adalah
[A] parallel to the direction of the wave propagation
selari dengan arah perambatan gelombang
[B] perpendicular to the direction of the wave
propagation
berserenjang dengan arah perambatan gelombang
[C] The same as the direction of the wave propagation
sama arah dengan arah perambatan gelombang
[D] The opposite to the direction of the wave
propagation
bertentangan dengan arah perambatan gelombang
SPM 2007
29 Diagram 18 shows a wave pattern on water.
Rajah 18 menunjukkan corak gelombang pada air.
Wavelength is the distance between the points
Panjang gelombang ialah jarak antara titik
[A] P and Q [B] P and R
P dan Q P dan R
[C] Q and S [D] R and S
Q dan S R dan S
30 Diagram 19 shows a load being oscillated on a spring.
Rajah 19 menunjukkan satu beban diayunkan pada satu
spring.
Based on Diagram 19, which of the following
displacement - time graphs represents oscillation of the
load from P to Q and back to O?
Berdasarkan Rajah 19, graf sesaran-masa yang
manakah mewakili ayunan beban dari P ke Q dan
kembali semula ke O?
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31 Which of the following characteristics of waves, changes
when the waves are reflected?
Antara ciri gelombang berikut, yang manakah berubah
apabila gelombang dipantulkan?
[A] Direction of propagation
Arah perambatan
[B] Wavelength
Panjang gelombang
[C] Frequency
Frekuensi
[D] Speed
Laju
32 Diagram 20 shows water waves propagating in an area of
different depths.
Rajah 20 menunjukkan gelombang air merambat dalam
kawasan yang berlainan kedalaman.
Which of the following diagrams shows the propagation of
the waves correctly?
Antara rajah berikut, yang manakah menunjukkan
dengan betul perambatan gelombang itu?
33 A radar transmit a signal towards an airplane. The
velocity of the signal is 3.0 x 108
m s-1. After 4.0 x 10
-3s,
the radar detects the reflected signal. What is the distance
of the airplane from the radar?
Sebuah radar memancarkan isyarat ke arah sebuah
kapal terbang. Halaju isyarat itu ialah 3.0 x 108
m s-1.
Selepas 4.0 x 10-3
s, radar itu mengesan isyarat yang
dipantulkan. Berapakah jarak kapal terbang itu daripada
radar?
[A] 2.4x106
m [B] 1.2x106m
[C] 6.0x105m [D] 1.5x10
5m
34 Which of the following statements is true about
electromagnetic waves?
Antara pernyataan berikut, yang manakah benar
mengenai gelombang elektromagnet?
[A] They are longitudinal waves
Gelombang membujur
[B] They are waves that require a medium to travel
Gelombang yang memerlukan medium untuk
merambat
[C] The velocity of the waves is influenced by the
wavelength
Halaju gelombang dipengaruhi oleh panjang
gelombang
[D] They consist of both magnetic fields and electric
fields
Terdiri daripada kedua-dua medan magnet dan
medan elektrik
SPM 2008
29 Diagram l7 shows the displacement-distance graph of awave. The frequency of the wave is 5.0 Hz.
Rajah l7 menunjukkan graf sesaran-jarak bagii satu
gelombang. Frekuensi gelombang ialah 5.0 Hz
What is the velocity of the wave?
Berapakah halaju gelombang ?
[A] 50 cm s-1
[B] 75 cm s-l
[C] 100 cm s-l
[D] 150 cm s-l
30 What happens to the wave length and the magnitude of
the velocity of water waves when it is reflected?
Apakah yang berlaku kepada panjang gelombang dan
magnitud halaju bagi suatu gelombang air apabila
dipantulkan?
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31 Diagram 18 shows water waves passing a blockof rock in
a river.
Rajah 18 menunjukkan gelombang air melepasi
sebongkah batu dalam sungai.
Which phenomenon explains the propagation of waves at
X?
Fenomenon manakah yang menerangkan perambatan
gelombang pada X?
[A] Reflection [B] Refraction
Pantulan Pembiasan
[C] Diffraction [D] Interference
Pembelauan Inteferens
32 In which diagram will destructive interference occur whenthe waves meet?
Dalam ra.jah yang manakah interferens memusnah akan
berlaku apabila gelombang-gelombang itu bertemu?
33 What is the correct relationship between the wavelength
of an electromagnetic radiation and theenergy it carries?
Apakah hubungan yang betul di antara panjan
gelombang suatu sinaran elektromagnet dengan tenaga
yang, dibawa oleh sinaran itu?
34 Diagram 19 shows the shape of a radio wave that is
received by a simple radio receiver.
Rajah 19 menunjukkan bentuk suatu gelombang radio
yang diterima oleh sebuah penerima radio ringkas.
What is the shape of the wave produced after it is passed
through a diode?
Apakah bentuk gelombang yang terhasil selepas melalui
satu diod?
SPM 2009
29 Which diagram shows the production of a longitudinal
wave?
Rajah manakah yang menunjukkan penghasilan suatu
gelombang, membujur?
30 Diagram 16 shows a sound wave reflected from a
concrete wall.
Rajah 16 menunjukkan suatu gelombang bunyi
dipantulkan daripada dindin g konkrit.
Which comparison is correct about the reflected sound
wave and the incident sound wave?
Perbandingan manaktth yang betul bagi gelombang
bunyi terpantul dengan gelombang bunyi tuju?
[A] The wavelength of the incident wave is shorter than
the reflected wave
Panjang gelombang bagi gelombang tuju adalah
lebih pendek daripada gelombang terpantul
[B] The speed of the incident wave and the reflected
wave is the same
Halaju bagi gelombang tuju dengan gelombang
terpantul adalah sama
[C] The frequency of the incident wave is less than the
reflected wave
Frekuensi gelombang tuju adalah lebih kecil
daripada gelombang terpantul
[D] The angle of incidence of the incident wave is
greater than the angle of reflection of the reflected
wave
Sudut tuju gelombang tuju adalah lebih besardaripada sudut pantulan gelombang terpantul
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31 Diagram 17 shows water waves propagating through a
perspex block in a ripple tank.
Rajah l7 menunjukkan gelombang air merambat
melalui satu blok perspeks di dalam tangki riak.
Which wave pattern is observed when the waves pass
through the perspex block?
Corak gelombang manakah yang dilihat semnsa
gelombang melalui blok perspelcs itu?
32 Diagram 18 shows two coherent waves propagate
towards each other.
Rajah 18 menunjukkan dua gelombang koheren
merambat ke arah satu sama lain.
Which diagram is correct meet when both waves?
Rajah manakah yang betul apabila kedua-dua
gelombang itu bertemu?
33 Diagram L9 shows a stretched steel wire which produces
a loud sound when the wire is plucked.
Rajah 19 menunjukkan suatu wayar keluli yang tegang
yang menghasilkan bunyi yang kuat apabila wayar itu
dipetik.
A loud sound means
Bunyi yang kuat bermaksud
[A] a high speed
Iaju yang tinggi
[B] a large amplitude
amplitud yang besar
[C] a high frequency
frekuansi yang tinggi
[D] a large wavelength
panjang gelombang yang besar
34 Which is the correct ilrrangement of electromagnetic
waves in order of increasing frequency?
Susunan manakah yang betul bagi gelombang
elektromagnet dalam turutan.frekuensi yang menaik?
A Infrared rays, Microwaves, Gamma rays, Ultraviolet
rays
Sinar inframerah, Gelombang mikro, Sinar gama,Sinar ultraungu
B Gamma rays, Ultraviolet rays, Infrared rays,
Microwaves
gama, Sinar ultraungu, Sinar inframerah, Sinar
Gelombang mikro
C Microwaves, Infrared rays, Ultraviolet rays, Gamma
rays
Gelombang mikro, Sinar inframerah, Sinar
ultraungu, Sinar gama
D Ultraviolet rays, Gamma rays, Microwaves, Infrared
rays
Sinar ultraungu, Sinar gama, Gelombang mikro,
Sinar inf'ramerah
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SPM 2010
28 Diagram 22 shows a wave.
Rajah 22 menunjukkan satu gelombang.
The speed of the wave is 4.0 m s-1. The distance of 5
consecutive crests is 8 m. What is the frequency of the
wave?
Laju gelombang itu ialah 4.0 m s-1. Jarak bagi puncak
berturutan ialah 8 m. Berapakah frekuensi gelombang
itu?
[A] O.4 Hz [B] 0.5 Hz
[C] 2.O Hz [D] 2.5 Hz
29 Diagram 23 shows an object placed 20 cm in front of a
concave mirror of focal length,f, 10 cm.
Rajah 23 menunjukkan suatu objek diletakkan20 cm
di hadapan suatu cermin cekung yang mempunyai
panjang fokus, f, 10 cm.
What are the characteristics of the formed?
Apakah ciri-ciri imej yang terbentuk?
[A] Real, same size, inverted
Nyata, sama saiz, songsang
[B] Real, diminished, inverted
Nyata, dikecilkan, songsang
[C] Virtual, same size, upright
Maya, sama saiz tegak[D] Virtual, diminished, upright
Maya, dikecilkan, te gak
30 Diagram 24 shows water waves passing through a gap.
Rajah 24 menunjukkan gelombang air melalui satu celah.
Which phenomenon explains the propagation of the
waves?
Fenomena yang manakah menerangkan perambatan
gelombang itu?
A Reflection B Refraction
Pantulan Pembiasan
C Difraction D Interference
Belauan Interferens
31 Diagram 25 shows an interference pattern of water waves
from two sources, S1 and S2.
Rajah 25 menunjukkan satu corak interferens gelombang
air daripada dua punca, S1 dan S2.
Which form of wave happens at point X from sources S1
and S2?
Bentuk gelombang yang manakah berlaku pada titik X
daripada punca S1 dan S2?
32 Which physical quantity of a wave changes when the
wave is reflected?
Kuantiti fizik bagi gelombang yang manakah berubah
apabila gelombang itu dipantulkan?
[A] Speed
Laju
[B] Frequency
Frekuensi
[C] Wavelength
Panjang gelombang
[D] Direction of wave propagation
Arah perambatan gelombang
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33 Diagram 26 shows a polystyrene ball coated with
conducting material in a strong electric field.
Rajah 26 menunjukknn satu bola polistirena yctng
bersalut dengan bahan konduktor dalam satu medan
elektrik yang kuat.
The polystyrene ball is moved towards the positive metal
plate P and is then let go. What happens to the ball next?
Bola polistirena itu digerctkkan ke arah plat logam positif
P dan kemudian dibiarkan. Apakah yang berlaku kepada
bola itu seterusnya.
[A] Remains at P
Kekal di P
[B] Moves towards O and remains at O
Bergerak ke arah O dan kekal di O
[C] Moves towards Q and remain at Q
Bergerak ke arah Q dan kekal di Q
[D] Moves continuously between P and Q
Bergerak bierterusan antara P dan Q
34 Diagram 27 shows the apparatus set-up to study a
characteristic of sound waves.
Rajah 27 menunjukkan susunan radas untuk meng,kaji
satu ciri gelombang bunyi.
Which comparison is correct between the incident sound
wave and the reflected sound wave?
Perbandingan yang manakah betul antara gelombangbunyi tuiu dengan gelombang bunyi terpantul?
[A] The reflected angle is bigger than the incident angle
Sudut pantulan lebih besar daripada sudut tuiu
[B] The speed of the reflected wave is the same as the
speed of the incident wave
Iaju gelombetng tetpantul adalah sama dengan
gelombang tuju
[C] The wavelength of the reflected wave is less than
the wavelength of the incident wave
Panjang gelombang bagi gelombang terpantul
adalah kurang daripada paniang gelombang tuju
[D] The frequency of the reflected wave is lower than
the frequency of the incident wave
gelombang terpantul adalah lebih rendah daripada
Frekuensi frekuensi gelombang tuju
35 Diagram 28 shows how the reflection of a sound wave is
used to find the depth of a wrecked ship.
Rajah 28 menuniukkan bagaimana pantulan gelombang
bunyi digunakan untuk mencari kedalaman sebuah kapal
yang karam.
What is the depth of the wrecked ship if the reflected
sound wave is detected 0.2 s later?
[Speed of sound wave in water =1 530 m s-l]
Apakah kedalaman kapal yang karam itu jika gelombang
bunyi terpantul dikesan 0.2 s kemudian?
[laju gelombang bunyi di dalam air = 1 530 m s-l]
A 153m B 306m
C 7650m D 15300m
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