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

The ratio of velocity of sound in air at 4 atm pressure and that at 1 atm pressure would be

Question # 2

The velocity of sound in air depends upon

Question # 3

If F=0.04 N and X=4 cm then K=

Question # 4

The frequency of free vibrations is known as

Question # 5

The natural frequency of a pendulum which is vibrating freely, depends upon its

Question # 6

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 7

Ultra-violet rays differ from X-rays in that they

Question # 8

Fidelity refers to

Question # 9

The wave motion set up in any medium depends upon:

Question # 10

The maximum displacement of a body on either side of its equilibrium position is called

Question # 11

When two waves with same frequency and constant phase difference phase difference interfere

Question # 12

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

Question # 13

The time required to complete on vibration is called

Question # 14

Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

Question # 15

When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which of the following is the longitudinal waves?
A. Sound waves
B. Waves on plucked string
C. Water waves
D. Light waves
2 SI unit of wave length is:
A. Kilometer
B. Metre
C. Centimetre
D. Hertz
3 The weight 'mg' of the bob is resolved into
A. one component
B. two components
C. three components
D. four components
4 For transmission of both transverse and longitudinal waves, we can use:
A. Solid
B. Gas
C. Plasma
D. None of these
5 The distance covered by the wave in one second is:
A. Wave number
B. Wave length
C. Frequency
D. Wave speed
6 The velocity of sound at same temperature is maximum in
A. H2
B. N2
C. O2
D. NH3
7 In the resonance condition, the amplitude of the oscillator becomes
A. very large
B. very small
C. zero
D. any one of them
8 One complete round trip of the body about its mean position is called
A. displacement
B. vibration
C. a complete motion
D. an acceleration
9 The square of 0.4 is:
A. Greater than 0.4
B. Smaller than 0.4
C. Equal to 0.4
D. None of them
10 Which of the following medium/media can transmit both transverse and longitudinal waves:
A. Solids
B. Liquids
C. Gases
D. All of them

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