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 waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

Question # 2

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

Question # 3

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

Question # 4

Which one is not produced by sound waves in air?

Question # 5

The waves in which the particles of the medium have displacement along the direction of propagation of waves are called

Question # 6

The vibratory or oscillatory motion of a body is

Question # 7

The wave motion set up in any medium depends upon:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The distance covered by the wave in one second is:

Question # 12

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

Question # 13

Example of vibratory motion is

Question # 14

The waves produced in a microwave oven have frequency

Question # 15

Sound waves in air always

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
A. Same
B. 2 times
C. 4 times
D. 8 times
2 The vibrations of factory floor caused by the running of heavy machinery is an example of
A. free vibration
B. natural vibrations
C. forced vibrations
D. all of them
3 The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:
A. Mechanical waves
B. Electromagnetic waves
C. Matter waves
D. All of them
4 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
5 The number of vibrating body at any instant from its equilibrium position is called
A. displacement
B. frequency
C. amplitude
D. time period
6 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
7 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
8 Which waves are used in sonography?
A. Microwaves
B. Infra red waved
C. Sound waves
D. Ultrasonic waves
9 If a wave can be polarized, it must be
A. An electromagnetic wave
B. A longitudinal wave
C. A progressive wave
D. A transverse wave
10 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them

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