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

Which one of the following wave motions is transverse:

Question # 2

When two progressive waves of nearly same frequencies superimpose and give rise to beats, then

Question # 3

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

Question # 4

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

Question # 5

The waves moving from a sitar to a listener in air are

Question # 6

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

Question # 7

Shock absorber of the car is an example of

Question # 8

The instantaneous velocity of a body moving along a circle is directed

Question # 9

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

Question # 10

The time period of pendulums of different lengths would be

Question # 11

The restoring force always directed towards the

Question # 12

For production of beats the two sources must have

Question # 13

The waves which propagate through the oscillations of material particles 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

If a wave can be polarized, it must be

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Smaller the damping, greater will be the
A. frequency
B. wavelength
C. amplitude
D. none of them
2 The natural frequency of a pendulum which is vibrating freely, depends upon its
A. mass
B. length
C. material
D. all of them
3 The instantaneous velocity of a body moving along a circle is directed
A. along the radius
B. along the tangent
C. away from the circle
D. none of them
4 The wave form of S.H.M will be
A. square wave
B. sine wave
C. rectified wave
D. saw-tooth wave
5 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
6 A heavily damped system has a fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
7 Which of the following is the longitudinal waves?
A. Sound waves
B. Waves on plucked string
C. Water waves
D. Light waves
8 The expression of Hook's law is
A. F=ma
B. F=kx
C. F= -kx
D. -kx=ma
9 The vibratory or oscillatory motion of a body is
A. translatory motion
B. back and forth motion about its mean position
C. free all motion
D. circular motion
10 The vibrations of factory floor caused by the running of heavy machinery is an example of
A. free vibration
B. natural vibrations
C. forced vibrations
D. all of them

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