Question # 1

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

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

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

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Time period

Amplitude

Phase

Frequency

the length of simple pendulum of time period 1 second is

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2 m

1 m

0.5

0.25 m

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 acceleration produced by elastic restoring force is

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Perpendicular to force

Opposite to force

In same direction as force

Zero

The frequency of waves produced in microwave oven is

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1435 Hz

2450 MHz

1860 MHz

2850 Hz

The frequency of 2nd pendulum is

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0.5 Hz

1 Hz

1.5 Hz

2 Hz

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

Time period of simple pendulum only depends on

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Mass

Amplitude

Density

Length

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

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 mathematical expression for the restoring force is.

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F = kx

F = ma

F = dp/dt

F = -kx

The to and fro motion of a body is called

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Linear motion

Rotational motion

Vibratory motion

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

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

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

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The amplitude of a vibrating body at resonance in vacuum is

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Minimum

Maximum

Zero

Infinite

When a body is vibrating its displacement from mean position

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Remains constant

Changes with time

Become(-)ve

None of these

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

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Time period

Amplitude

Frequency

Displacement from mean position

P.E. of a spring is stored in

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Spring

mass

Both of them

None of these

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