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

Which one of the following elasticizes is possessed by fluids:

Question # 2

If the time period a simple pendulum is 2 s, its frequency would be

Question # 3

The speed of sound in a medium depends on

Question # 4

The number of vibrating body at any instant from its equilibrium position is called

Question # 5

transverse wave motion is possible in:

Question # 6

Which of the following does not exhibit S.H.M?

Question # 7

A body is executing free vibrations when it oscilates

Question # 8

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is

Question # 9

The wave form of S.H.M will be

Question # 10

The vibrations of factory floor caused by the running of heavy machinery is an example of

Question # 11

Crests and troughs are formed in:

Question # 12

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Question # 13

In transverse waves, the individual particles of the medium move:

Question # 14

The time required to complete on vibration is called

Question # 15

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

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 When a body is performing S.H.M., its acceleration is
A. inversely proportional to the displacement
B. directly proportional to the applied force
C. directly proportional to the amplitude
D. directly proportional to the displacement but in opposite direction
2 When a mass 'm' is pulled slowly, the spring stretches by an amount x0,then the average force would be
A. F= Kx0
B. F=1/2Kx0
C. F=2Kx0
D. F=4Kx0
3 The force which opposes the applied force producing the displacement in the spring is called
A. restoring force
B. periodic force
C. centripetal force
D. resistive force
4 Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of duration 2.5 ns. Which of the following is the best estimate of the number of wavelength in each pulse?
A. 103
B. 106
C. 109
D. 1012
5 The time required to complete on vibration is called
A. frequency
B. total time
C. time period
D. velocity
6 The portion of the water above its mean level forms a:
A. Crest
B. Trough
C. Both A and B
D. None of these
7 In transverse waves, the individual particles of the medium move:
A. In circles
B. Perpendicular to the direction of level
C. Parallel to the direction of level
D. None of these
8 A weakly damped system has fairly
A. sharp resonance curve
B. flat resonance curve
C. both of them
D. none of them
9 The speed of sound in a medium depends on
A. The elastic property but not on the inertia property
B. The inertia property but not on the elastic property
C. The elastic property as well as the inertia property
D. Neither the elastic property nor the inertia property
10 The total energy of spring mass system is
A. zero
B. changing with time
C. constant
D. none of them

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