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

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

Question # 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

Question # 3

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

Question # 4

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

Question # 5

Which type of wave can be set up in solids

Question # 6

When a mass 'm' is pulled slowly through a distance 'xo' , the elastic potential energy of the spring would be

Question # 7

In the resonance condition, the amplitude of the oscillator becomes

Question # 8

Which one of the following elasticizes is possessed by fluids:

Question # 9

When temperature increase, the frequency of a tuning fork

Question # 10

The time required to complete on vibration is called

Question # 11

Through which character we can distinguish the light waves from sound waves

Question # 12

Which one is not produced by sound waves in air?

Question # 13

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 14

The distance covered by the wave in one second is:

Question # 15

For a body executing S. H. M, its

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The waves which propagate through the oscillations of material particles are known as:
A. Mechanical waves
B. Electromagnetic waves
C. Any of them
D. None of them
2 The wave form of S.H.M will be
A. square wave
B. sine wave
C. rectified wave
D. saw-tooth wave
3 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
4 Time period of simple pendulum is independent of
A. length
B. mass
C. acceleration due to gravity
D. none of them
5 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them
6 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
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
7 What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?
A. 1 MHz
B. 10 Hz
C. 1 GHz
D. 100000 Hz
8 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
9 A second's pendulum is a pendulum whose time period is
A. 1 second
B. 2 seconds
C. 3 seconds
D. 4 seconds
10 Fidelity refers to
A. Reproduction of original sound
B. Reproduction of original image
C. Reproduction of music
D. Reproduction of a CD from original copy

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