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

Energy is not carried by

Question # 2

A simple pendulum consists of a

Question # 3

The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called

Question # 4

The damping depends upon the

Question # 5

Si units of time period is

Question # 6

The vibrations of factory floor caused by the running of heavy machinery is an example of

Question # 7

Which of the following does not exhibit S.H.M?

Question # 8

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

Question # 9

SI unit of wave length is:

Question # 10

The portion of the water above its mean level forms a:

Question # 11

A traveling wave has a shape of:

Question # 12

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

Question # 13

Smaller the damping, the resonance will be

Question # 14

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 Sound waves in air always
A. Longitudinal
B. Transverse
C. Stationary
D. Electromagnetic
3 For a body executing S. H. M, its
A. momentum remains constant
B. potential energy remains constant
C. kinetic energy remains constant
D. total energy remains constant
4 Which one of the following wave motions is transverse:
A. Wave motion produced in water when a piece of stone is thrown into it
B. Pulling of weight hanging vertically with a spiral spring
C. Both of these
D. None of these
5 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
6 The process in which energy is dissipated from the oscillating system is known as
A. resonance
B. interference
C. diffraction
D. damping
7 A heavily damped system has a fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
8 For transmission of both transverse and longitudinal waves, we can use:
A. Solid
B. Gas
C. Plasma
D. None of these
9 Si units of time period is
A. second
B. hertz
C. revolution
D. vibration/sec
10 The example of mechanical wave is
A. waves in ropes
B. waves on water surface
C. waves in air
D. all of them

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