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

Si units of time period is

Question # 2

SI unit of frequency is

Question # 3

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

Question # 4

In the resonance condition, the amplitude of the oscillator becomes

Question # 5

For transmission of both transverse and longitudinal waves, we can use:

Question # 6

A heavily damped system has a fairly

Question # 7

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

Question # 8

The waves moving from a sitar to a listener in air are

Question # 9

The principle of superposition states that

Question # 10

Fluids can transmit:

Question # 11

In case of mechanical waves, we study the motion of

Question # 12

The waves which propagate by the collision of material particles are known as

Question # 13

When a mass 'm' is pulled slowly, the spring stretches by an amount xo, then the work done will be

Question # 14

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

Question # 15

Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them
2 Fidelity refers to
A. Reproduction of original sound
B. Reproduction of original image
C. Reproduction of music
D. Reproduction of a CD from original copy
3 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
4 The phase determines the
A. displacement
B. amplitude
C. frequency
D. state of motion of vibrating body
5 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
6 A second's pendulum is a pendulum whose time period is
A. 1 second
B. 2 seconds
C. 3 seconds
D. 4 seconds
7 Smaller the damping, the resonance will be
A. more flat
B. more sharp
C. both of them
D. none of them
8 Through which character we can distinguish the light waves from sound waves
A. Interference
B. Refraction
C. Polarization
D. Reflection
9 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
10 The waves moving from a sitar to a listener in air are
A. Longitudinal progressive
B. Longitudinal stationary
C. Transverse progressive
D. Transverse stationary

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