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

Angular frequency 'w' is basically a characteristics of

Question # 3

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Question # 4

Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of

Question # 5

Which one of the following is an example of resonance

Question # 6

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

Question # 7

Transverse waves can be set up:

Question # 8

The waves which propagate by the collision of material particles are known as

Question # 9

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 10

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

Question # 11

The waves produced in a microwave oven have wavelength.

Question # 12

Decibel is unit of

Question # 13

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 # 14

Waves transport energy

Question # 15

A physical system under going forced vibrations is known as

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
2 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
A. Has a definite pitch
B. Has a definite quality
C. Has a definite capacity
D. Can penetrate the wall
3 If a freely oscillating system is subjected to an external force, then
A. free vibrations will take place
B. the body will move with its natural frequency
C. forced vibrations will take place
D. none of them
4 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
5 The bob of a simple pendulum is suspended by
A. string
B. heavy inextensible string
C. light extensible string
D. light inextensible string
6 The portion of the water above its mean level forms a:
A. Crest
B. Trough
C. Both A and B
D. None of these
7 The damping depends upon the
A. amplitude
B. sharpness
C. both of them
D. none of them
8 The number of vibrating body at any instant from its equilibrium position is called
A. displacement
B. frequency
C. amplitude
D. time period
9 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
10 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

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