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 waves produced in a microwave oven have wavelength.

Question # 2

The characteristic of a body executing S.H.M is that its acceleration is

Question # 3

Which waves are used in sonography?

Question # 4

Which one is not produced by sound waves in air?

Question # 5

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 6

Which of the following is an example of a S.H.M?

Question # 7

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

Question # 8

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

Question # 9

The velocity of sound in air depends upon

Question # 10

The expression of Hook's law is

Question # 11

transverse wave motion is possible in:

Question # 12

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

Question # 13

Crests and troughs are formed in:

Question # 14

The waves which propagate out in space due to oscillation of electric and magnetic fields are known as

Question # 15

Angular frequency 'w' is basically a characteristics of

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ECAT Physics Chapter 8 Important MCQ's

Sr.# Question Answer
1 The vibratory motion of a body whose magnitude of acceleration is directly proportional to the magnitude of its displacement and is always directed towards the equilibrium position is called
A. rotatory motion
B. motion under gravity
C. angular motion
D. simple harmonic motion
2 When the bob of simple pendulum is at extreme position, its K.E. will be
A. maximum
B. minimum
C. zero
D. all of them
3 For transmission of both transverse and longitudinal waves, we can use:
A. Solid
B. Gas
C. Plasma
D. None of these
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 waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as
A. longitudinal waves
B. transverse waves
C. non-mechanical waves
D. none of them
6 The waves produced in a microwave oven have frequency
A. 2450 Hz
B. 2450 K Hz
C. 2450 M Hz
D. 2450 G Hz
7 Example of progressive wave is
A. transverse waves
B. longitudinal waves
C. both of them
D. none of them
8 While describing the motion of a simple pendulum, the frictional effects are
A. taken into account
B. completely ignored
C. partially ignored
D. none of them
9 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
10 It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be
A. 60°
B. 90°
C. 120°
D. 180°

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