Question # 1

Time period of simple pendulum depends upon

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Mass of pendulum

Weight of pendulum

Length of pendulum

Shape of pendulum

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

If the tension a stretched string is made four times then the velocity of wave.

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Remains same

Is halved

Becomes twice

Becomes 4 times

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

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

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

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Weight of body

Applied force

Amplitude

Displacement

The wavelength of wave produced by microwave oven is.

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12 cm

12 m

18 m

18 cm

When a body is vibrating its displacement from mean position

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Remains constant

Changes with time

Become(-)ve

None of these

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 acceleration of a body having SHM, depends upon its.

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Time period

Amplitude

Frequency

Displacement from mean position

The amplitude of a vibrating body at resonance in vacuum is

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Minimum

Maximum

Zero

Infinite

The frequency of waves produced in microwave oven is

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1435 Hz

2450 MHz

1860 MHz

2850 Hz

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

Damping is the process in which energy

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Increases

Remains constant

Dissipates

None of these

Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

The to and fro motion of a body is called

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Linear motion

Rotational motion

Vibratory motion

None 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 mathematical expression for the restoring force is.

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F = kx

F = ma

F = dp/dt

F = -kx

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

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

P.E. of a spring is stored in

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Spring

mass

Both of them

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

One complete round trip of a vibrating body is called.

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Frequency

Time period

Vibration

Amplitude

The product of time period and frequency is.

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Zero

1

2

3

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