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

Transverse waves can be set up:

Question # 2

The wave motion set up in any medium depends upon:

Question # 3

The example of mechanical wave is

Question # 4

In case of mechanical waves, we study the motion of

Question # 5

Longitudinal waves are also called:

Question # 6

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 7

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

Question # 8

Time period of a simple pendulum depends upon the

Question # 9

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

Question # 10

When temperature increase, the frequency of a tuning fork

Question # 11

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

Question # 12

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

Question # 13

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

Question # 14

The instantaneous velocity of a body moving along a circle is directed

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The temperature at which the speed of sound becomes double as was at 27°C is
A. 273°C
B. 0°C
C. 927°C
D. 1027°C
2 The phase determines the
A. displacement
B. amplitude
C. frequency
D. state of motion of vibrating body
3 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
4 In the resonance condition, the amplitude of the oscillator becomes
A. very large
B. very small
C. zero
D. any one of them
5 Waves transport energy
A. without transport energy
B. with matter
C. both of them
D. none of them
6 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
7 The distance covered by the wave in one second is:
A. Wave number
B. Wave length
C. Frequency
D. Wave speed
8 Such oscillations in which the amplitude decreases steadily with time, are called
A. resonance
B. force oscillations
C. large oscillations
D. damped oscillations
9 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
10 The resonance will be sharp, if the amplitude decreases rapidly at a frequency
A. equal to the resonant frequency
B. slight different from the resonant frequency
C. greatly different from the resonant frequency
D. any one of them

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