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 changes at an antinode in a stationary wave?

Question # 2

In the formula for finding the speed of waves in the spring, unit of m in SIn units is:

Question # 3

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

Question # 4

The number of vibrating body at any instant from its equilibrium position is called

Question # 5

Which one of the following elasticizes is possessed by fluids:

Question # 6

If a freely oscillating system is subjected to an external force, then

Question # 7

When temperature increase, the frequency of a tuning fork

Question # 8

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

Question # 9

When two progressive waves of nearly same frequencies superimpose and give rise to beats, then

Question # 10

If the mass of the simple pendulum becomes double, its time period

Question # 11

Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of

Question # 12

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

Question # 13

The time required to complete on vibration is called

Question # 14

When a wave is travels from one place to another, it transfers:

Question # 15

If we increase the length of a simple pendulum four times, its time period will become

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The distance covered by the wave in one second is:
A. Wave number
B. Wave length
C. Frequency
D. Wave speed
2 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:
A. Stationary waves
B. Transverse waves
C. Both of these
D. None of these
3 Waves transport energy
A. without transport energy
B. with matter
C. both of them
D. none of them
4 Which of the following does not exhibit S.H.M?
A. a plucked violin string
B. a mass attached to a spring
C. a train shunting between two terminals
D. a simple pendulum
5 The waves which propagate by the collision of material particles are known as
A. e.m. waves
B. mechanical waves
C. light waves
D. microwaves
6 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them
7 The expression of Hook's law is
A. F=ma
B. F=kx
C. F= -kx
D. -kx=ma
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 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
10 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

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