Question # 1

10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be

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1 Hz

2 Hz

5 Hz

10 Hz

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 distance covered by wave in 1 sec is

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wavelength

Wave number

Wave speed

Frequency

Velocity of sound is independent of

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Temperature

Density

Pressure

Medium

Two waves of same frequency and moving in the same direction produces.

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Interference

Diffraction

Beats

Stationary waves

The Newton's formula for the speed of sound in air is

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Teh speed of sound in air is 340 m/s. If the pressure of air is doubled then the speed becomes.

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Double

Half

Four times

Remains same

the louder the sound, the greater will be its.

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Speed

Frequency

Amplitude

Wave length

Stars moving away from Earth show a

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Green shift

Blue shift

Red shift

Yellow shift

Who did give the correct formula for the speed of sound in air?

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Boyle

Laplace

Newton

Einstein

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

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