Question # 1

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

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

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f/2

2f

f

4f

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

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

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A

2 A

3 A

4 A

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

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

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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f

2 f

3 f

1/2 f

An oscillating body oscillates due to:

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Applied force

Restoring force

Frictional force

None of these

The unit of spring constant is:

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J-sec

Metre

Nm^-1

None of these

When quarter of a circle 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

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

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

Vibratory, chord

SHM, diameter

SHM, circumference

The SI unit of spring constant is identical with that of

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Force

Surface tension

Pressure

Loudness

If a force of 0.05 N produces an elongation of 20 mm in a string, then its spring constant will be:

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250 N m^-1

25 N m^-1

2.5 N m^-1

None of these

In SHM, there is always a constant ratio between displacement if body and its:

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Velocity

Period

Mass

Acceleration

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