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

If the length of a simple pendulum is 0.25 m its time period would be

Question # 2

The velocity of sound in air depends upon

Question # 3

If a wave can be polarized, it must be

Question # 4

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

Question # 5

The waves produced in a microwave oven have frequency

Question # 6

Example of progressive wave is

Question # 7

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

Question # 8

There is no net transfer of energy by particle of medium in

Question # 9

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

Question # 10

Longitudinal waves are also called:

Question # 11

When temperature increase, the frequency of a tuning fork

Question # 12

The number of vibrating body at any instant from its equilibrium position is called

Question # 13

If we increase the length of a simple pendulum four times, its time period will become

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Through which character we can distinguish the light waves from sound waves
A. Interference
B. Refraction
C. Polarization
D. Reflection
2 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
3 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
4 A stationary sound wave has frequency 165 Hz (speed of sound in air = 330 m/s) then distance between two consecutive nodes is
A. 2 m
B. 1 m
C. 0.5 m
D. 4 m
5 The waves in which the particles of the medium have displacement along the direction of propagation of waves are called
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
6 The principle of superposition states that
A. The total displacement due to several waves is the sum of the displacement due to those waves acting individually
B. Two stationary waves superimpose to give two progressive waves
C. A diffraction pattern consists of many interference patterns superimposed on one another
D. Two progressive waves superimpose to give a stationary wave
7 The expression of Hook's law is
A. F=ma
B. F=kx
C. F= -kx
D. -kx=ma
8 In the resonance condition, the amplitude of the oscillator becomes
A. very large
B. very small
C. zero
D. any one of them
9 Time period of a simple pendulum depends upon the
A. length of the pendulum
B. acceleration due to gravity
C. none of them
D. both of them
10 The waves moving from a sitar to a listener in air are
A. Longitudinal progressive
B. Longitudinal stationary
C. Transverse progressive
D. Transverse stationary

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