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

Which of the following medium/media can transmit both transverse and longitudinal waves:

Question # 2

Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator

Question # 3

A swing has

Question # 4

The phase determines the

Question # 5

Of the following, the option ______ reminds of longitudinal waves.

Question # 6

Which of the following does not exhibit S.H.M?

Question # 7

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

Question # 8

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 # 9

The waves which propagate through the oscillations of material particles are known as:

Question # 10

The loudness and pitch of a sound note depends on

Question # 11

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

Question # 12

The wave motion set up in any medium depends upon:

Question # 13

transverse wave motion is possible in:

Question # 14

In the same medium, velocity of the wave:

Question # 15

The velocity of sound in air depends upon

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The bob of a simple pendulum is suspended by
A. string
B. heavy inextensible string
C. light extensible string
D. light inextensible string
2 The vibrations of factory floor caused by the running of heavy machinery is an example of
A. free vibration
B. natural vibrations
C. forced vibrations
D. all of them
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 Velocity of sound in vacuum (in m/s) is
A. 330
B. 1000
C. 156
D. 0
5 At 'resonance' the transfer of energy from deriving source to the oscillator is
A. maximum
B. minimum
C. zero
D. none of them
6 When the bob of simple pendulum is at extreme position, its K.E. will be
A. maximum
B. minimum
C. zero
D. all of them
7 As the bob of the pendulum moves to and fro which of the force is experienced by the bob
A. its weight
B. tension in the string
C. viscous drag force by air
D. all of them
8 It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice
A. Has a definite pitch
B. Has a definite quality
C. Has a definite capacity
D. Can penetrate the wall
9 Which one of the following elasticizes is possessed by fluids:
A. Young's elastic modulus (length)
B. Bulk elastic modulus (volume)
C. Modulus of rigidity (shape)
D. None of these
10 The waves which propagate out in space due to oscillation of electric and magnetic fields are known as
A. e.m. waves
B. mechanical waves
C. sound waves
D. water waves

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