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 velocity of sound is greatest in

Question # 2

Which type of wave can be set up in solids

Question # 3

Transverse waves can be set up:

Question # 4

The velocity of sound at same temperature is maximum in

Question # 5

The square of 0.4 is:

Question # 6

If we increase the length of a simple pendulum four times, its time period will become

Question # 7

transverse wave motion is possible in:

Question # 8

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

Question # 9

Which one is not produced by sound waves in air?

Question # 10

The frequency of free vibrations is known as

Question # 11

Acceleration of the mass at any instant is given by

Question # 12

Example of vibratory motion is

Question # 13

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

Question # 14

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 15

When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 A physical system under going forced vibrations is known as
A. Simple harmonic oscillator
B. Compound harmonic oscillator
C. Physical harmonic oscillator
D. driven harmonic oscillator
2 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them
3 Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at
A. subsonic speed
B. sonic speed
C. super sonic speed
D. any one of them
4 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these
5 The square of 0.4 is:
A. Greater than 0.4
B. Smaller than 0.4
C. Equal to 0.4
D. None of them
6 When a body is pulled away from its rest or equilibrium position and then released, the body oscillates due to
A. applied force
B. momentum
C. restoring force
D. none of them
7 The ratio of velocity of sound in air at 4 atm pressure and that at 1 atm pressure would be
A. 1 : 2
B. 4 : 1
C. 1 : 4
D. 2 : 1
8 Acceleration of the mass at any instant is given by
A. a=k/m x
B. a= - m/k x
C. a = - k/m x
D. a=m/k x
9 Shock absorber of the car is an example of
A. resonance
B. forced oscillations
C. interference
D. damped oscillations
10 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum

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