Question # 1

A spring has a spring constant k. If it is cut in two equal parts, the spring constant of each part will be

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K

2 K

K/2

4K

The motion of a simple pendulum is the example of

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Vibratory motion

Rotatory motion

Periodic motion

Both a and c

The frequency of 2nd pendulum is

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0.5 Hz

1 Hz

1.5 Hz

2 Hz

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 wavelength of wave produced by microwave oven is.

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12 cm

12 m

18 m

18 cm

P.E. of a spring is stored in

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Spring

mass

Both of them

None of these

The wave form of SHM is.

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Sine wave

Cosine wave

Tangent wave

Square wave

If amplitude of a simple pendulum is increased by 4 times the time period will be.

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Four times

Half

Same

Two times

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

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Weight of body

Applied force

Amplitude

Displacement

Oscillation of shock absorber of a car is practical example of.

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simple harmonic motion

Forced oscillation

Damped oscillation

Undamped oscillation

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

Time period of simple pendulum only depends on

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Mass

Amplitude

Density

Length

Time period of simple pendulum depends upon

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Mass of pendulum

Weight of pendulum

Length of pendulum

Shape of pendulum

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

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

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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Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

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 acceleration of a body having SHM, depends upon its.

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Time period

Amplitude

Frequency

Displacement from mean position

Damping is the process in which energy

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Increases

Remains constant

Dissipates

None of these

The produce oscillation, body is pulled away from its

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Mean position

Extreme position

Both a and b

None of these

One complete round trip of a vibrating body is called.

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Frequency

Time period

Vibration

Amplitude

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

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