Question # 1

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is

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Sinusoidal shape with amplitude A/3

Sinusoidal shape with amplitude A/2

Sinusoidal shape with amplitude A

Straight line

Sound waves in air always

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Longitudinal

Transverse

Stationary

Electromagnetic

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

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360 m/s

306 m/s

331 m/s

340 ms

The distance covered by the wave during one period is called its:

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Wave number

Frequency

Wavelength

Time period

Which type of wave can be set up in solids

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longitudinal waves

transverse waves

both of them

none of them

There is no net transfer of energy by particle of medium in

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Longitudinal wave

Transverse wave

Progressive wave

Stationary wave

Which of the following is an example of a S.H.M?

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motion of a projectile

motion of a train along a circular path

motion of swing

electrons revolving sound the nucleus

A second's pendulum is a pendulum whose time period is

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1 second

2 seconds

3 seconds

4 seconds

The velocity of sound at same temperature is maximum in

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H₂

N₂

O₂

NH₃

When a body is performing S.H.M., its acceleration is

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inversely proportional to the displacement

directly proportional to the applied force

directly proportional to the amplitude

directly proportional to the displacement but in opposite direction

The maximum displacement of a body on either side of its equilibrium position is called

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frequency

amplitude

displacement

time period

When a mass 'm' is pulled slowly, the spring stretches by an amount x₀,then the average force would be

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F= Kx₀

F=1/2Kx₀

F=2Kx₀

F=4Kx₀

In transverse waves, the individual particles of the medium move:

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In circles

Perpendicular to the direction of level

Parallel to the direction of level

None of these

Which of the following medium/media can transmit both transverse and longitudinal waves:

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Solids

Liquids

Gases

All of them

Waves transport energy

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without transport energy

with matter

both of them

none of them

Velocity of sound in a diatomic as is 300 m/sec. what is its rms velocity?

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400 m/sec

40 m/sec

430 m/sec

300 m/sec

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