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 is/are example/s if mechanical waves i.e. waves generated in _______:

Question # 2

In compressional wave,the layer of medium having reduced pressure is called:

Question # 3

Which waves are used in sonography?

Question # 4

The time required to complete on vibration is called

Question # 5

The velocity of sound is greatest in

Question # 6

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 7

The process in which energy is dissipated from the oscillating system is known as

Question # 8

The total energy of spring mass system is

Question # 9

Which one of the following could be the frequency of ultraviolet radiation?

Question # 10

In the production of beats by 2 waves of same amplitude and nearly same frequency, the maximum intensity to each of the constituent waves is

Question # 11

Through which character we can distinguish the light waves from sound waves

Question # 12

When an oscillatory motion repeats itself, then this type of motion is called

Question # 13

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is

Question # 14

A simple pendulum consists of a

Question # 15

The frequency of free vibrations is known as

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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 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these
3 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
4 SI unit of frequency is
A. second
B. hertz
C. revolution
D. vibrations/sec
5 The speed of sound in a medium depends on
A. The elastic property but not on the inertia property
B. The inertia property but not on the elastic property
C. The elastic property as well as the inertia property
D. Neither the elastic property nor the inertia property
6 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them
7 Waves transport energy
A. without transport energy
B. with matter
C. both of them
D. none of them
8 A body is executing free vibrations when it oscilates
A. with the interference of an external force
B. without the interference of an external force
C. with the interference of an internal force
D. none of them
9 In a resonance situation the amplitude of the motion may become extra ordinarily large, if
A. the driving force is large
B. the driving force is zero
C. the driving force may be feeble
D. all of them
10 Energy is not carried by
A. Transverse progressive waves
B. Longitudinal vibration
C. Stationary waves
D. Electromagnetic

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