Question # 1

the wavelength of transverse wave travelling with a speed 'v' having frequency 'f' in equal to

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f/v

Vf

V/f

f/V2

The experimental value for the velocity of sound in air is

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233 m-sec^-1

333 m-sec^-1

433 m-sec^-1

533 m-sec^-1

In order to produce beats, the two sound waves should have.

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The same amplitude

Slightly different amplitude

The same frequency

slightly different frequencies.

The distance covered by wave in 1 sec is

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wavelength

Wave number

Wave speed

Frequency

Sound travel faster in

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CO2

H2

O2

He

If 30 waves per second pass through a medium at a speed 30 ms-1, then the wavelength is.

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30 m

15 m

1 m

28 m

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In sonar we use

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Sound waves

Ultrasound waves

Microwaves

Radio waves

The speed \velocity of sound is greatest in.

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Air

Steel

Ammonia

Water

The speed of sound in air would become double than ots speed at 10^oC at a temperature of.

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313 ^oC

586 ^oC

859^oC

899 ^oC

Waves transport energy without transporting

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Matter

Force

Momentum

All of these

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Physics English Medium Fsc Part 1 Chapter 8 Online MCQs Test MCQs With Answers

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