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

If F=0.04 N and X=4 cm then K=

Question # 2

Two sources of sound are said to be coherent if

Question # 3

The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:

Question # 4

When the bob of simple pendulum is at mean position, its K.E will be

Question # 5

If a wave can be polarized, it must be

Question # 6

A weakly damped system has fairly

Question # 7

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 8

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

Question # 9

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

Question # 10

For production of beats the two sources must have

Question # 11

The maximum displacement of a body on either side of its equilibrium position is called

Question # 12

Longitudinal waves are also called:

Question # 13

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

Question # 14

To hear a clear echo, the reflecting surface must be at a minimum distance of

Question # 15

Waves transport energy

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