ECAT Pre General Science Physics Chapter 8 Waves

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  • Chapter NameCh 8 - Waves

ECAT Pre General Science Physics Chapter 8 Waves

  • Total Questions30

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ECAT Pre General Science Physics Chapter 8 Waves

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Question # 1

A weakly damped system has fairly

Question # 2

SI unit of wave length is:

Question # 3

The velocity of sound at same temperature is maximum in

Question # 4

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

Question # 5

Of the following, the option ______ reminds of longitudinal waves.

Question # 6

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

Question # 7

In the formula for finding the speed of waves in the spring, unit of m in SIn units is:

Question # 8

What is frequency of radio waves transmitted by a station, if the wavelength of those waves is 300 m?

Question # 9

A second's pendulum is a pendulum whose time period is

Question # 10

The waves which propagate by the collision of material particles are known as

Question # 11

If the length of second pendulum becomes four times then its time period will become

Question # 12

The force which opposes the applied force producing the displacement in the spring is called

Question # 13

Example of progressive wave is

Question # 14

The square of 0.4 is:

Question # 15

When temperature increase, the frequency of a tuning fork

Question # 16

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

Question # 17

The wave motion set up in any medium depends upon:

Question # 18

The damping depends upon the

Question # 19

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

Question # 20

If a freely oscillating system is subjected to an external force, then

Question # 21

The speed of sound in a medium depends on

Question # 22

The wave form of S.H.M will be

Question # 23

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

Question # 24

The example of mechanical wave is

Question # 25

The portion of the water above its mean level forms a:

Question # 26

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

Question # 27

Which of the following is not mechanical wave?

Question # 28

If a wave can be polarized, it must be

Question # 29

Longitudinal waves are also called:

Question # 30

The resonance will be sharp, if the amplitude decreases rapidly at a frequency

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