ECAT Pre General Science Physics Chapter 8 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 8 Waves

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 8 Waves

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ECAT Pre General Science Physics Chapter 8 Waves

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Question # 1

The velocity of sound at same temperature is maximum in

Question # 2

A second's pendulum is a pendulum whose time period is

Question # 3

In transverse waves, the individual particles of the medium move:

Question # 4

When the bob of simple pendulum is at mean position, its K.E will be

Question # 5

Sound waves in air always

Question # 6

The distance covered by the wave during one period is called its:

Question # 7

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

Question # 8

When an oscillatory motion repeats itself, then this type of motion is called

Question # 9

The waves produced in a microwave oven have frequency

Question # 10

While describing the motion of a simple pendulum, the frictional effects are

Question # 11

Time period of a simple pendulum depends upon the

Question # 12

The phase determines the

Question # 13

When two waves with same frequency and constant phase difference phase difference interfere

Question # 14

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 # 15

Crests and troughs are formed in:

Question # 16

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

Question # 17

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

Question # 18

The velocity of sound in air not effected by changes in

Question # 19

Mechanical waves on the surface of a liquid are

Question # 20

The restoring force always directed towards the

Question # 21

When the bob of simple pendulum is at extreme position, its K.E. will be

Question # 22

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

Question # 23

A body is executing free vibrations when it oscilates

Question # 24

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

Question # 25

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 # 26

Which one of the following is an example of resonance

Question # 27

The wave form of S.H.M will be

Question # 28

Which of the following medium/media can transmit both transverse and longitudinal waves:

Question # 29

In case of mechanical waves, we study the motion of

Question # 30

The process in which energy is dissipated from the oscillating system is known as

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ECAT Class Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 If a wave can be polarized, it must be
A. An electromagnetic wave
B. A longitudinal wave
C. A progressive wave
D. A transverse wave
3 A simple pendulum consists of a
A. small light bob
B. small heavy bob
C. big light bob
D. big heavy bob
4 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
5 Which of the following does not exhibit S.H.M?
A. a plucked violin string
B. a mass attached to a spring
C. a train shunting between two terminals
D. a simple pendulum
6 In the same medium, velocity of the wave:
A. Goes on increasing
B. Remains constant
C. Goes on decreasing
D. None of these
7 The number of vibrating body at any instant from its equilibrium position is called
A. displacement
B. frequency
C. amplitude
D. time period
8 While describing the motion of a simple pendulum, the frictional effects are
A. taken into account
B. completely ignored
C. partially ignored
D. none of them
9 In solids, only following type/s of wave can travel:
A. Transverse
B. Longitudinal
C. Both A and B
D. None of them
10 When the bob of simple pendulum is at mean position, its K.E will be
A. maximum
B. minimum
C. zero
D. all of them

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