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

Question # 2

Which of the following is not mechanical wave?

Question # 3

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

Question # 4

If F=0.04 N and X=4 cm then K=

Question # 5

Smaller the damping, greater will be the

Question # 6

When temperature increase, the frequency of a tuning fork

Question # 7

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

Question # 8

If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:

Question # 9

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

Question # 10

If the displacement of a body executing S.H.M is plotted against time, then the curve is known as

Question # 11

A wave, which transfer energy by moving away from the source of disturbance is called a

Question # 12

Which of the following is the longitudinal waves?

Question # 13

To hear a clear echo, the reflecting surface must be at a minimum distance of

Question # 14

Which one of the following elasticizes is possessed by fluids:

Question # 15

The time period of pendulums of different lengths would be

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 For production of beats the two sources must have
A. Different frequencies and same amplitude
B. Different frequencies
C. Different frequencies, same amplitude and same phase
D. Different frequencies and same phase
2 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
3 When a wave is travels from one place to another, it transfers:
A. Matter
B. Energy
C. Momentum
D. Both B and C
4 Which of the following does not exhibit S.H.M?
A. a plucked violin string
B. a mass attached to a spring
C. a train shunting between two terminals
D. a simple pendulum
5 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
6 Two sound waves of slightly different frequencies propagating in the same direction produce beats due to
A. Interference
B. Diffraction
C. Polarization
D. Refraction
7 When a body is performing S.H.M., its acceleration is
A. inversely proportional to the displacement
B. directly proportional to the applied force
C. directly proportional to the amplitude
D. directly proportional to the displacement but in opposite direction
8 If the displacement of a body executing S.H.M is plotted against time, then the curve is known as
A. frequency of S.H.M
B. period of S.H.M
C. wave form
D. none of them
9 The damping depends upon the
A. amplitude
B. sharpness
C. both of them
D. none of them
10 It is possible to recognize a person by hearing his voice even if he is hidden behind a solid wall. This is due to the fact that his voice
A. Has a definite pitch
B. Has a definite quality
C. Has a definite capacity
D. Can penetrate the wall

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