ECAT Pre Computer Science Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 8 Waves

Try The MCQ's Test For ECAT Physics Chapter 8 Waves

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ECAT Physics Chapter 8 Waves

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Question # 1

Shock absorber of the car is an example of

Question # 2

The wave motion set up in any medium depends upon:

Question # 3

SI unit of frequency is

Question # 4

Which of the following is the longitudinal waves?

Question # 5

Crests and troughs are formed in:

Question # 6

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 7

When temperature increase, the frequency of a tuning fork

Question # 8

The characteristic of a body executing S.H.M is that its acceleration is

Question # 9

The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called

Question # 10

When sound waves travel from air to water which of these remains constant?

Question # 11

Which one of the following could be the frequency of ultraviolet radiation?

Question # 12

Which one of the following is an example of resonance

Question # 13

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

Question # 14

Which of the following changes at an antinode in a stationary wave?

Question # 15

Transverse waves can be set up:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Energy is not carried by
A. Transverse progressive waves
B. Longitudinal vibration
C. Stationary waves
D. Electromagnetic
2 Shock absorber of the car is an example of
A. resonance
B. forced oscillations
C. interference
D. damped oscillations
3 If a wave can be polarized, it must be
A. An electromagnetic wave
B. A longitudinal wave
C. A progressive wave
D. A transverse wave
4 The instantaneous velocity of a body moving along a circle is directed
A. along the radius
B. along the tangent
C. away from the circle
D. none of them
5 It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be
A. 60°
B. 90°
C. 120°
D. 180°
6 The bob of a simple pendulum is suspended by
A. string
B. heavy inextensible string
C. light extensible string
D. light inextensible string
7 Which of the following is an example of a S.H.M?
A. motion of a projectile
B. motion of a train along a circular path
C. motion of swing
D. electrons revolving sound the nucleus
8 Longitudinal waves are also called:
A. Congressional waves
B. Transverse waves
C. Radio waves
D. None of them
9 When a wave is travels from one place to another, it transfers:
A. Matter
B. Energy
C. Momentum
D. Both B and C
10 The waves produced in a microwave oven have frequency
A. 2450 Hz
B. 2450 K Hz
C. 2450 M Hz
D. 2450 G Hz

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