Question # 1

Which of the following is an example of SHM(in ideal situations)

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Motion of simple pendulum

Motion of horizontal spring man system

Motion of violin string

All of these

If time period of a pendulum is doubled by increasing its length, then its frequency will

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Also be doubled

Become half

Become one fourth

Becomes four times

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

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Applied force, inertial

Restoring force, friction

Frictional force, inertial

Restoring force, inertial

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

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Circular motion, circumference

Vibrator, chord

SHM, diameter

SHM, circumference

When quarter of a cycle is completed, the phase of vibration is:

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90°

180°

45°

360°

The wave form of SHM is

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Pulsed wave

Square wave

Triangular waved

Sine wave

When quarter of a circle is completed, phase of vibration is:

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90°

180°

45°

360°

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

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k/2

2 k

4 k

None of these

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

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1.5 sec

2.0 sec

2.3 sec

2.5 sec

An object undergoes SHM. Its maximum equilibrium positions:

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Maximum

Half of its maximum value

Zero

None

The displacement of body executing SHM is

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x_ocoswt

x_osinwt

x_osin²wt

Both A, B

The unit of spring constant is

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J-sec

Metre

Nm^-1

None of these

The SI unit of spring constant is identical with that of

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Force

Surface tension

Pressure

Loudness

In vibrational motion(SHM)

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P.E remains conserved

Average K.E remain constant

Neither P.E nor K.E remains constant

Total energy remains constant

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