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

One complete round trip of the body about its mean position is called

Question # 2

When the bob of simple pendulum is at mean position, its K.E will be

Question # 3

The waves which propagate through the oscillations of material particles are known as:

Question # 4

In solids, only following type/s of wave can travel:

Question # 5

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

Question # 6

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

Question # 7

Shock absorber of the car is an example of

Question # 8

transverse wave motion is possible in:

Question # 9

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

Question # 10

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

Question # 11

Crests and troughs are formed in:

Question # 12

While describing the motion of a simple pendulum, the frictional effects are

Question # 13

A swing has

Question # 14

The time required to complete on vibration is called

Question # 15

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 A simple pendulum consists of a
A. small light bob
B. small heavy bob
C. big light bob
D. big heavy bob
2 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
3 There is no net transfer of energy by particle of medium in
A. Longitudinal wave
B. Transverse wave
C. Progressive wave
D. Stationary wave
4 A wave, which transfer energy by moving away from the source of disturbance is called a
A. progressive wave
B. travelling wave
C. both of them
D. none of them
5 If the time period a simple pendulum is 2 s, its frequency would be
A. 2 Hz
B. 1.5 Hz
C. 1.0 Hz
D. 0.5 Hz
6 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
7 When temperature increase, the frequency of a tuning fork
A. Increases
B. Decreases
C. Remains same
D. Increase or decreases depending on the material
8 While describing the motion of a simple pendulum, the frictional effects are
A. taken into account
B. completely ignored
C. partially ignored
D. none of them
9 The waves produced in a microwave oven have frequency
A. 2450 Hz
B. 2450 K Hz
C. 2450 M Hz
D. 2450 G Hz
10 Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator
A. greater than the frequency of applied force
B. equal to the frequency of applied force
C. less than the frequency of applied force
D. all of them

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