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 velocity of sound in air depends upon

Question # 2

The damping depends upon the

Question # 3

When temperature increase, the frequency of a tuning fork

Question # 4

Resonance occurs when one of the natural frequencies of vibration of the forced or driven harmonic oscillator

Question # 5

The wave motion set up in any medium depends upon:

Question # 6

Smaller the damping, the resonance will be

Question # 7

Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

Question # 8

The waves moving from a sitar to a listener in air are

Question # 9

Time period of simple pendulum is independent of

Question # 10

If the displacement of a body executing S.H.M is plotted against time, then the curve is known as

Question # 11

The distance covered by the wave during one period is called its:

Question # 12

Mechanical waves on the surface of a liquid are

Question # 13

Transverse waves can be set up:

Question # 14

The velocity of sound in air not effected by changes in

Question # 15

Crests and troughs are formed in:

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Example of vibratory motion is
A. mass suspended from a spring
B. a bob of simple pendulum
C. mass attached to a spring placed
D. all of them
2 When two waves with same frequency and constant phase difference phase difference interfere
A. There is a gain of energy
B. There is a loss of energy
C. The energy is redistributed and the distribution changes with time
D. The energy is redistributed and the distribution remains constant with time
3 Energy is not carried by
A. Transverse progressive waves
B. Longitudinal vibration
C. Stationary waves
D. Electromagnetic
4 The process in which energy is dissipated from the oscillating system is known as
A. resonance
B. interference
C. diffraction
D. damping
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 When an oscillatory motion repeats itself, then this type of motion is called
A. vibratory motion
B. constant motion
C. fixed motion
D. periodic motion
7 When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:
A. Longitudinal waves
B. Transverse waves
C. Water waves
D. Complex waves
8 For production of beats the two sources must have
A. Different frequencies and same amplitude
B. Different frequencies
C. Different frequencies, same amplitude and same phase
D. Different frequencies and same phase
9 When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be
A. 45°
B. 90°
C. 135°
D. 180°
10 An object undergoes S.H.M has maximum speed when its displacement from the mean position is
A. maximum
B. zero
C. half of the maximum value
D. one third of the maximum value

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