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 damping depends upon the

Question # 2

When a wave is travels from one place to another, it transfers:

Question # 3

Which waves are used in sonography?

Question # 4

The total energy of spring mass system is

Question # 5

While describing the motion of a simple pendulum, the frictional effects are

Question # 6

When two progressive waves of nearly same frequencies superimpose and give rise to beats, then

Question # 7

A weakly damped system has fairly

Question # 8

In the production of beats by 2 waves of same amplitude and nearly same frequency, the maximum intensity to each of the constituent waves is

Question # 9

Fidelity refers to

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Velocity of sound in a diatomic as is 300 m/sec. what is its rms velocity?

Question # 14

Shock absorber of the car is an example of

Question # 15

The waves in which the particles of the medium have displacement along the direction of propagation of waves are called

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at
A. subsonic speed
B. sonic speed
C. super sonic speed
D. any one of them
2 At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is
A. Sinusoidal shape with amplitude A/3
B. Sinusoidal shape with amplitude A/2
C. Sinusoidal shape with amplitude A
D. Straight line
3 If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get
A. diffraction
B. beat
C. interference
D. resonance
4 The wave form of S.H.M will be
A. square wave
B. sine wave
C. rectified wave
D. saw-tooth wave
5 The vibrations of factory floor caused by the running of heavy machinery is an example of
A. free vibration
B. natural vibrations
C. forced vibrations
D. all of them
6 If the mass of the simple pendulum becomes double, its time period
A. increase
B. decreases
C. remains constant
D. none of them
7 Crests and troughs are formed in:
A. Longitudinal waves
B. Transverse waves
C. Both of these
D. None of these
8 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
9 In compressional wave,the layer of medium having reduced pressure is called:
A. Compression
B. Elasticity
C. Node
D. Rarefaction
10 A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:
A. Longitudinal wave
B. Transverse wave
C. No vibration at all
D. None of them

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