Question # 1

The mechanism of transports energy of all the waves is

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Different

Same

Complicated

Easy

Speed of sound in aluminum at 20 ^oC is.

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3600 m/s

5100 m/s

5130 m/s

3500 m/s

Speed of sound in vacuum is

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280 ms-1

332 ms-1

333 ms-1

Zero ms-1

The profile of periodic waves generated by a source executing S.H.M is represented by a.

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Circle

Sine curve

Tangent curve

Cosine curve

The pitch of sound deepens upon

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Intensity of sound

Loudness of sound

Wavelength of sound

Frequency of sound

When sound waves enter in different medium, the quantity that remains unchanged is.

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Intensity

Speed

Frequency

Wave length

Light waves are

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Longtail waves

Transvers waves

Stationary waves

Mechanical wave

When two waves having same frequency traveling in same direction combine, phenomenon is called

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Wave motion

Combination of waves

Interference

Diffraction

The speed of stars and galaxies can be calculated by

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Compton effect

Stefan's law

Doppler's effect

Pascal's law

the example of mechanical waves is

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Water waves

Infrared waves

Radio waves

Ultraviolet waves

According to Newton, sound travels in air under conditions of.

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Adiabatic

Isothermal

Isobaric

Isochoric

The portion of the wave above mean level is called.

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Node

Antinode

Crest

Trough

Stationary waves are generated on a string of high l, if tension is increased , frequency of vibration will

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Decrease

Unchanged

Half

Increases

The distance between the consecutive nodes is

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Half wavelength corresponds to

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0 ^o

90 ^o

180 ^o

360 ^o

Waves transport energy without transporting

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Matter

Force

Momentum

All of these

The distance between two consecutive trough is called.

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Displacement

Amplitude

Wave length

Wave front

In stationary waves, the particle velocity at nodes is

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Minimum

Maximum

Zero

Constant

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Physics ICS Part 1 Chapter 8 Online Test MCQs With Answers

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