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 portion of the water above its mean level forms a:

Question # 2

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 # 3

The time required to complete on vibration is called

Question # 4

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

Question # 5

A simple pendulum consists of a

Question # 6

The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

Question # 7

The force which opposes the applied force producing the displacement in the spring is called

Question # 8

Example of vibratory motion is

Question # 9

Velocity of sound in vacuum (in m/s) is

Question # 10

A second's pendulum is a pendulum whose time period is

Question # 11

The bob of a simple pendulum is suspended by

Question # 12

Which one of the following elasticizes is possessed by fluids:

Question # 13

In a resonance situation the amplitude of the motion may become extra ordinarily large, if

Question # 14

The square of 0.4 is:

Question # 15

The distance covered by the wave in one second is:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 If a simple pendulum is shifted from karachi to K-2 cliff, its time period
A. remains the same
B. decreases
C. increases
D. none of them
2 A traveling wave has a shape of:
A. Square wave
B. Sine wave
C. Parabola
D. hyperbola
3 The wave motion set up in any medium depends upon:
A. Elasticity
B. Inertia
C. Density
D. All of these
4 The velocity of sound in air depends upon
A. Density and elasticity of gas
B. Pressure
C. Wavelength
D. Amplitude and frequency of sound
5 The portion of the water above its mean level forms a:
A. Crest
B. Trough
C. Both A and B
D. None of these
6 As the bob of the pendulum moves to and fro which of the force is experienced by the bob
A. its weight
B. tension in the string
C. viscous drag force by air
D. all of them
7 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
8 There is no net transfer of energy by particle of medium in
A. Longitudinal wave
B. Transverse wave
C. Progressive wave
D. Stationary wave
9 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:
A. Stationary waves
B. Transverse waves
C. Both of these
D. None of these
10 The resonance will be sharp, if the amplitude decreases rapidly at a frequency
A. equal to the resonant frequency
B. slight different from the resonant frequency
C. greatly different from the resonant frequency
D. any one of them

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