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

If a wave can be polarized, it must be

Question # 2

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

Question # 3

transverse wave motion is possible in:

Question # 4

Time period of a simple pendulum depends upon the

Question # 5

Which of the following is the longitudinal waves?

Question # 6

Which one of the following elasticizes is possessed by fluids:

Question # 7

Laplace formula is derived from

Question # 8

In a resonance situation the amplitude of the motion may become extra ordinarily large, if

Question # 9

When the bob of simple pendulum is at extreme position, its K.E. will be

Question # 10

The weight 'mg' of the bob is resolved into

Question # 11

Example of progressive wave is

Question # 12

When the bob of simple pendulum is at mean position, its K.E will be

Question # 13

The vibrations of factory floor caused by the running of heavy machinery is an example of

Question # 14

In transverse waves, the individual particles of the medium move:

Question # 15

If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 SI unit of wave length is:
A. Kilometer
B. Metre
C. Centimetre
D. Hertz
2 Smaller the damping, the resonance will be
A. more flat
B. more sharp
C. both of them
D. none of them
3 The time required to complete on vibration is called
A. frequency
B. total time
C. time period
D. velocity
4 Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as
A. waves
B. beat
C. interference
D. resonance
5 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these
6 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
7 When a mass 'm' is pulled slowly, the spring stretches by an amount x0,then the average force would be
A. F= Kx0
B. F=1/2Kx0
C. F=2Kx0
D. F=4Kx0
8 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
9 The number of vibrating body at any instant from its equilibrium position is called
A. displacement
B. frequency
C. amplitude
D. time period
10 Time period of a simple pendulum depends upon the
A. length of the pendulum
B. acceleration due to gravity
C. none of them
D. both of them

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