Question # 1

A phenomenon by which energy is dissipated from the oscillating system is called.

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Forced oscillation

Free oscillation

Damping

Simple harmonic motion

The acceleration produced by elastic restoring force is

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Perpendicular to force

Opposite to force

In same direction as force

Zero

The product of time period and frequency is.

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Zero

1

2

3

If the time period of simple pendulum is 2 seconds its frequency will be.

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1 Hz

0.5 Hz

1.5 Hz

2 Hz

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

The produce oscillation, body is pulled away from its

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Mean position

Extreme position

Both a and b

None of these

The wavelength of wave produced by microwave oven is.

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12 cm

12 m

18 m

18 cm

the distance covered during one vibration of an oscillating body in terms of amplitude 'A' is

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A/2

A

2A

4A

At which place the motion of a simple pendulum will be slowest.

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Karachi

K-2

Murree

Lahore

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The time period of an oscillating mass spring system is 10 second. If mass attached to spring id doubled then time period becomes.

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10 sec

20 sec

5 sec

None of these

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