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Online Tests
ECAT Physics Chapter 8 Waves Online Test MCQs With Answers
Question # 1
There is no net transfer of energy by particle of medium in
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Longitudinal wave
Transverse wave
Progressive wave
Stationary wave
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Question # 2
The example of mechanical wave is
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waves in ropes
waves on water surface
waves in air
all of them
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Question # 3
Si units of time period is
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second
hertz
revolution
vibration/sec
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Question # 4
In solids, only following type/s of wave can travel:
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Transverse
Longitudinal
Both A and B
None of them
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Question # 5
The vibratory or oscillatory motion of a body is
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translatory motion
back and forth motion about its mean position
free all motion
circular motion
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Question # 6
Fidelity refers to
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Reproduction of original sound
Reproduction of original image
Reproduction of music
Reproduction of a CD from original copy
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Question # 7
If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are:
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Stationary waves
Transverse waves
Both of these
None of these
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Question # 8
Of the following, the option ______ reminds of longitudinal waves.
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Sound waves
Heat waves
Electromagnetic waves
Light waves
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Question # 9
When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
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Longitudinal waves
Transverse waves
Water waves
Complex waves
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Question # 10
Smaller the damping, the resonance will be
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more flat
more sharp
both of them
none of them
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Question # 11
The loudness and pitch of a sound note depends on
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Intensity and velocity
Frequency and velocity
Intensity and frequency
Frequency and number of harmonic
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Question # 12
A traveling wave has a shape of:
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Square wave
Sine wave
Parabola
hyperbola
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Question # 13
Which waves are used in sonography?
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Microwaves
Infra red waved
Sound waves
Ultrasonic waves
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Question # 14
The velocity of sound in air not effected by changes in
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Moisture contents in air
Temperature of air
The atmosphere pressure
The composition of air
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Question # 15
At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is
Choose an answer
Sinusoidal shape with amplitude A/3
Sinusoidal shape with amplitude A/2
Sinusoidal shape with amplitude A
Straight line
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Question # 16
Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at
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subsonic speed
sonic speed
super sonic speed
any one of them
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