Question # 1

Second's pendulum is the pendulum whose time period is:

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1 second

2 second

3 second

None of these

Which of the following quantity for particle executing SHM is non-zero at mean position

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Force

Acceleration

Velocity

Displacement

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

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3 K

2 K

K/4

K/3

When a body is vibrating, the displacement from mean position

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Increases with time

Decreases with time

Changes with time

None of these

An object undergoes SHM. Its maximum equilibrium positions:

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Maximum

Half of its maximum value

Zero

None

The restoring force is ______ and opposite tot he applied force within ______

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Equal, Elastic limit

Different, The walls of the laboratory

Different, Elastic limit

None of these

If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:

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K/2

2 K

4 K

None of these

A particle moving uniformly along circle its projection along diameter performs

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Linear motion

Projectile motion

SHM

Rotatory motion

The SI unit of spring constant is identical with that of:

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Force

Surface tension

Pressure

Loudness

The unit of spring constant is

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J-sec

Metre

Nm^-1

None of these

The graph showing the variation of displacement with time is a:

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Sine curve

Straight line

Parabola

None of these

Amplitude is the displacement of the vibrating body from:

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One extreme position to the other extreme position

Mean position any one extreme position

Both A and B are correct

None of these

The string of a simple pendulum should be:

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Heavy

Extensible

In-extensible

None of these

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

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f/2

2f

f

4f

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