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

Crests and troughs are formed in:

Question # 2

The expression for restoring force is

Question # 3

SI unit of frequency is

Question # 4

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

Question # 5

SI unit of wave length is:

Question # 6

If the time period a simple pendulum is 2 s, its frequency would be

Question # 7

Which of the following is an example of a S.H.M?

Question # 8

Waves transport energy

Question # 9

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

Question # 10

For transmission of both transverse and longitudinal waves, we can use:

Question # 11

The loudness and pitch of a sound note depends on

Question # 12

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

Question # 13

In the resonance condition, the amplitude of the oscillator becomes

Question # 14

The waves produced in a microwave oven have wavelength.

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 When a body moves to and fro motion, this type of motion is called
A. translatory motion
B. circular motion
C. oscillatory motion
D. all of them
2 When the bob of simple pendulum is at extreme position, its K.E. will be
A. maximum
B. minimum
C. zero
D. all of them
3 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
4 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
5 For transmission of both transverse and longitudinal waves, we can use:
A. Solid
B. Gas
C. Plasma
D. None of these
6 The waves which propagate through the oscillations of material particles are known as:
A. Mechanical waves
B. Electromagnetic waves
C. Any of them
D. None of them
7 In transverse waves, the individual particles of the medium move:
A. In circles
B. Perpendicular to the direction of level
C. Parallel to the direction of level
D. None of these
8 The velocity of sound at same temperature is maximum in
A. H2
B. N2
C. O2
D. NH3
9 Which of the following changes at an antinode in a stationary wave?
A. Density only
B. Pressure only
C. Both pressure and density
D. Neither pressure nor density
10 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these

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