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

Fidelity refers to

Question # 2

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

Question # 3

Which of the following is not mechanical wave?

Question # 4

At 'resonance' the transfer of energy from deriving source to the oscillator is

Question # 5

A stationary sound wave has frequency 165 Hz (speed of sound in air = 330 m/s) then distance between two consecutive nodes is

Question # 6

In compressional wave,the layer of medium having reduced pressure is called:

Question # 7

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

Question # 8

Sound waves in air always

Question # 9

One complete round trip of the body about its mean position is called

Question # 10

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

Question # 11

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

Question # 12

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

Question # 13

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

Question # 14

For transmission of both transverse and longitudinal waves, we can use:

Question # 15

The time required to complete on vibration is called

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola
3 Decibel is unit of
A. Intensity of light
B. x-ray radiation capacity
C. sound loudness
D. Energy of radiation
4 Which of the following is not mechanical wave?
A. Sound wave
B. Light wave
C.
wave produced in spring
D. None of them
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 When a body moves to and fro motion, this type of motion is called
A. translatory motion
B. circular motion
C. oscillatory motion
D. all of them
7 The frequency of free vibrations is known as
A. free frequency
B. forced frequency
C. natural frequency
D. un-natural frequency
8 The wave form of S.H.M will be
A. square wave
B. sine wave
C. rectified wave
D. saw-tooth wave
9 Crests and troughs are formed in:
A. Longitudinal waves
B. Transverse waves
C. Both of these
D. None of these
10 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

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