Question # 1

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

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Karachi

K-2

Murree

Lahore

In S.H.M, the acceleration of the body is directly proportional to

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Weight of body

Applied force

Amplitude

Displacement

A spring of spring constant 10 N/m after loading that amplitude is 2m. Then the maximum P.E. is

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10 J

20 J

30 J

40 J

the acceleration of a body having SHM, depends upon its.

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Time period

Amplitude

Frequency

Displacement from mean position

The velocity of a particle having SHM is 'v' at means position. If its amplitude is doubled them velocity at mean position will be

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v/2

v

2v

4 v

The frequency of waves produced in microwave oven is

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1435 Hz

2450 MHz

1860 MHz

2850 Hz

The produce oscillation, body is pulled away from its

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Mean position

Extreme position

Both a and b

None of these

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

A quantity which indicates the state and direction of a vibrating body is known as

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Time period

Amplitude

Phase

Frequency

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

The wave form of SHM is.

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Sine wave

Cosine wave

Tangent wave

Square wave

A swing is good example of

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Resonance

Vibration

Time period

Oscillation

The amplitude of a vibrating body at resonance in vacuum is

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Minimum

Maximum

Zero

Infinite

Second pendulum has a time period

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1 sec

3 sec

2 sec

4 sec

Frequency 'f' and time period 'T' are related as

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the length of simple pendulum of time period 1 second is

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2 m

1 m

0.5

0.25 m

The wavelength of wave produced by microwave oven is.

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12 cm

12 m

18 m

18 cm

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