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 wave motion is possible in:

Question # 2

The resonance will be sharp, if the amplitude decreases rapidly at a frequency

Question # 3

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

Question # 4

Of the following, the option ______ reminds of longitudinal waves.

Question # 5

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

Question # 6

The principle of superposition states that

Question # 7

If a wave can be polarized, it must be

Question # 8

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 9

Which of the following is not mechanical wave?

Question # 10

In compressional wave,the layer of medium having reduced pressure is called:

Question # 11

For production of beats the two sources must have

Question # 12

Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

Question # 13

The damping depends upon the

Question # 14

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

Question # 15

When temperature increase, the frequency of a tuning fork

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 A heavily damped system has a fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
2 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola
3 If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
A. Increasing by a factor of 2
B. Decreasing by a factor of 2
C. Decreasing by a factor of 4
D. Unchanged
4 The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
5 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
6 When two waves with same frequency and constant phase difference phase difference interfere
A. There is a gain of energy
B. There is a loss of energy
C. The energy is redistributed and the distribution changes with time
D. The energy is redistributed and the distribution remains constant with time
7 SI unit of frequency is
A. second
B. hertz
C. revolution
D. vibrations/sec
8 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
9 Time period of simple pendulum is independent of
A. length
B. mass
C. acceleration due to gravity
D. none of them
10 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

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