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 one of the following wave motions is transverse:

Question # 2

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

Question # 3

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

Question # 4

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

Question # 5

Fluids can transmit:

Question # 6

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

Question # 7

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

Question # 8

The waves moving from a sitar to a listener in air are

Question # 9

The velocity of sound is greatest in

Question # 10

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

Question # 11

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

Question # 12

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

Question # 13

A physical system under going forced vibrations is known as

Question # 14

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

Question # 15

For a body executing S. H. M, its

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Two sound waves of slightly different frequencies propagating in the same direction produce beats due to
A. Interference
B. Diffraction
C. Polarization
D. Refraction
2 Sound waves in air always
A. Longitudinal
B. Transverse
C. Stationary
D. Electromagnetic
3 As the bob of the pendulum moves to and fro which of the force is experienced by the bob
A. its weight
B. tension in the string
C. viscous drag force by air
D. all of them
4 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
5 When two waves with same frequency and constant phase difference phase difference interfere
A. There is a gain of energy
B. There is a loss of energy
C. The energy is redistributed and the distribution changes with time
D. The energy is redistributed and the distribution remains constant with time
6 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
7 Shock absorber of the car is an example of
A. resonance
B. forced oscillations
C. interference
D. damped oscillations
8 The expression for restoring force is
A. F=ma
B. F=kx
C. F= -kx
D. Kx=ma
9 If the length of a simple pendulum is 0.25 m its time period would be
A. 1.0 s
B. 2.0 s
C. 3.0 s
D. 4.0 s
10 When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
A. Longitudinal waves
B. Transverse waves
C. Water waves
D. Complex waves

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