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 restoring force always directed towards the

Question # 2

Which one is not produced by sound waves in air?

Question # 3

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

Question # 4

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

Question # 5

The phase determines the

Question # 6

A swing has

Question # 7

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

Question # 8

transverse wave motion is possible in:

Question # 9

If the mass of the simple pendulum becomes double, its time period

Question # 10

When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:

Question # 11

A heavily damped system has a fairly

Question # 12

The maximum displacement of a body on either side of its equilibrium position is called

Question # 13

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

Question # 14

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

Question # 15

The natural frequency of a pendulum which is vibrating freely, depends upon its

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
2 Longitudinal waves are also called:
A. Congressional waves
B. Transverse waves
C. Radio waves
D. None of them
3 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
4 Decibel is unit of
A. Intensity of light
B. x-ray radiation capacity
C. sound loudness
D. Energy of radiation
5 A body is executing free vibrations when it oscilates
A. with the interference of an external force
B. without the interference of an external force
C. with the interference of an internal force
D. none of them
6 Which type of wave can be set up in solids
A. longitudinal waves
B. transverse waves
C. both of them
D. none of them
7 A simple pendulum consists of a
A. small light bob
B. small heavy bob
C. big light bob
D. big heavy bob
8 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
9 The velocity of sound in air not effected by changes in
A. Moisture contents in air
B. Temperature of air
C. The atmosphere pressure
D. The composition of air
10 Fluids can transmit:
A. Transverse wave
B. Compressional wave
C. Both of them
D. None of them

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