Question # 1

An oscillating mass-spring system produces

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Sound waves

Electromagnetic waves

Light waves

Periodic waves

In transverse waves the particles of medium vibrate

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Along the direction of wave

Opposite to direction of wave

Perpendicular to direction of wave

Slowly

The speed of sound in air does not depend upon

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Temperature

Pressure

Density

Medium

A stretched string 2 m long and it has 2 hopes of stationary waves hen the wavelength is

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4 m

2 m

3 m

1 m

The apparent change in the pitch of sound due to relative motion is called.

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Carnot theorem

Interference

Doppler effect

Beats

The pitch of sound deepens upon

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Intensity of sound

Loudness of sound

Wavelength of sound

Frequency of sound

In sonar we use

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Sound waves

Ultrasound waves

Microwaves

Radio waves

The speed of sound in ari at 0 ^oC is 332 ms-1, Then the speed at 40 ^oC will be

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372 ms-1

356 ms-1

346 ms-1

332 ms-1

The distance between the consecutive nodes is

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

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Interference

Diffraction

Beats

Stationary waves

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 speed of sound increases with the increase of in

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Pressure

Volume

Temperature

Density

Speed of sound in vacuum is

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280 ms-1

332 ms-1

333 ms-1

Zero ms-1

Waves transport energy without transporting

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Matter

Force

Momentum

All of these

Star moving towards the earth show

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Red shift

Blue shift

Green shift

Yellow shift

Velocity of sound is independent of

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Temperature

Density

Pressure

Medium

Speed of sound in copper is

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38000 ms-1

3600 ms-1

3500 ms-1

3400 ms-1

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

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Adiabatic

Isothermal

Isobaric

Isochoric

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11th Class Part 1 Physics Chapter 8 Test Online MCQs With Answers

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