ECAT Physics Chapter 8 Waves Online Test

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  • Chapter NameCh 8 - Waves

ECAT Physics Chapter 8 Waves Online Test

  • Total Questions15

  • Time Allowed20

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ECAT Physics Chapter 8 Waves Online Test

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Question # 1

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

Question # 2

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

Question # 3

If two waves of length 50 cm and 51 cm produced 12 beats per second, the velocity of sound is

Question # 4

A weakly damped system has fairly

Question # 5

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

Question # 6

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

Question # 7

Fidelity refers to

Question # 8

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

Question # 9

Time period of simple pendulum is independent of

Question # 10

The square of 0.4 is:

Question # 11

Energy is dissipated and consequently the energy mass system do not oscillate indefinitely because of

Question # 12

If the external driving force is periodic with a period compareable to the natural period of the oscillator, then we get

Question # 13

Such oscillations in which the amplitude decreases steadily with time, are called

Question # 14

The velocity of sound is greatest in

Question # 15

Two sources of sound are said to be coherent if

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