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

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

Question # 2

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

Question # 3

The distance covered by the wave in one second is:

Question # 4

Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of duration 2.5 ns. Which of the following is the best estimate of the number of wavelength in each pulse?

Question # 5

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

Question # 6

There is no net transfer of energy by particle of medium in

Question # 7

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

Question # 8

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

Question # 9

A second's pendulum is a pendulum whose time period is

Question # 10

The speed of sound in a medium depends on

Question # 11

When a body moves to and fro motion, this type of motion is called

Question # 12

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Question # 13

The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called

Question # 14

Time period of a simple pendulum depends upon the

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The expression for restoring force is
A. F=ma
B. F=kx
C. F= -kx
D. Kx=ma
2 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola
3 Longitudinal waves are also called:
A. Congressional waves
B. Transverse waves
C. Radio waves
D. None of them
4 The waves which propagate out in space due to oscillation of electric and magnetic fields are known as
A. e.m. waves
B. mechanical waves
C. sound waves
D. water waves
5 The waves moving from a sitar to a listener in air are
A. Longitudinal progressive
B. Longitudinal stationary
C. Transverse progressive
D. Transverse stationary
6 The characteristic of a body executing S.H.M is that its acceleration is
A. inversely proportional to displacement
B. directly proportional to displacement
C. independent of displacement
D. equal to zero
7 Which one of the following is an example of resonance
A. swing
B. tuning a radio
C. microwave oven
D. all of them
8 Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of duration 2.5 ns. Which of the following is the best estimate of the number of wavelength in each pulse?
A. 103
B. 106
C. 109
D. 1012
9 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
10 The waves produced in a microwave oven have wavelength.
A. 12 mm
B. 12 cm
C. 12 m
D. 12 mm

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