Question # 1

If the time period a simple pendulum is 2 s, its frequency would be

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2 Hz

1.5 Hz

1.0 Hz

0.5 Hz

The wave form of S.H.M will be

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square wave

sine wave

rectified wave

saw-tooth wave

If the length of a simple pendulum is 0.25 m its time period would be

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1.0 s

2.0 s

3.0 s

4.0 s

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

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its weight

tension in the string

viscous drag force by air

all of them

A heavily damped system has a fairly

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sharp resonance curve

flat resonance curve

both of them

none of them

Crests and troughs are formed in:

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Longitudinal waves

Transverse waves

Both of these

None of these

Such oscillations in which the amplitude decreases steadily with time, are called

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resonance

force oscillations

large oscillations

damped oscillations

The damping depends upon the

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amplitude

sharpness

both of them

none of them

In solids, only following type/s of wave can travel:

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Transverse

Longitudinal

Both A and B

None of them

The waves produced in a microwave oven have frequency

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2450 Hz

2450 K Hz

2450 M Hz

2450 G Hz

Which type of wave can be set up in solids

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longitudinal waves

transverse waves

both of them

none of them

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

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

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60°

90°

120°

180°

Which one of the following elasticizes is possessed by fluids:

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Young's elastic modulus (length)

Bulk elastic modulus (volume)

Modulus of rigidity (shape)

None of these

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

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