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

transverse wave motion is possible in:

Question # 2

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

Question # 3

The portion of the water above its mean level forms a:

Question # 4

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

Question # 5

If a freely oscillating system is subjected to an external force, then

Question # 6

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

Question # 7

The velocity of sound in air not effected by changes in

Question # 8

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

Question # 9

A weakly damped system has fairly

Question # 10

In the same medium, velocity of the wave:

Question # 11

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

Question # 12

The waves which propagate by the collision of material particles are known as

Question # 13

Crests and troughs are formed in:

Question # 14

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:

Question # 15

Example of vibratory motion is

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 An object undergoes S.H.M has maximum acceleration when its displacement form the means position
A. maximum
B. zero
C. half of the maximum value
D. one third of the maximum value
2 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
3 One complete round trip of the body about its mean position is called
A. displacement
B. vibration
C. a complete motion
D. an acceleration
4 The loudness and pitch of a sound note depends on
A. Intensity and velocity
B. Frequency and velocity
C. Intensity and frequency
D. Frequency and number of harmonic
5 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
6 The time required to complete on vibration is called
A. frequency
B. total time
C. time period
D. velocity
7 There is no net transfer of energy by particle of medium in
A. Longitudinal wave
B. Transverse wave
C. Progressive wave
D. Stationary wave
8 SI unit of frequency is
A. second
B. hertz
C. revolution
D. vibrations/sec
9 Which of the following is an example of a S.H.M?
A. motion of a projectile
B. motion of a train along a circular path
C. motion of swing
D. electrons revolving sound the nucleus
10 In stationary waves
A. Energy is uniformly distributed
B. Energy is minimum at nodes and maximum at antinodes
C. Energy is maximum at nodes and minimum at antidotes
D. Alternating maximum and minimum energy producing at nodes and antinodes

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