Question # 1

Acceleration of body executing SHM is always directed towards

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Extreme position

Mean position

Along the direction of motion

None

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

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90°

180°

45°

360°

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

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Force

Surface tension

Pressure

Loudness

The time period of a simple pendulum is independent of its:

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Length

Mass

Value of g

Both A and B

An angle of 180° in circular motion is equivalent to ______ in SHM.

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Half the vibration

One vibration

3/4th of a vibration

None of these

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

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1 second

2 second

3 second

None of these

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

The string of a simple pendulum should be:

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Heavy

Extensible

In-extensible

None of these

Vibratory motion is always under

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Applied force

Restoring force

Periodic force

Gravitational force

The time taken to complete one vibration is called:

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Frequency

Amplitude

Time

Time period

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 body oscillates due to ______ accelerates and overshoots the rest position due to _______

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Applied force, Inertia

Restoring force, Friction

Frictional force, Inertia

Restoring force, Inertia

A spring of constant k = 0.4 N m^-1_{is to be extended thorugh 10 cm at a place where g = 10 m sec}^-2. The mass to be suspended should be:

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4 gms

0.4 gms

40 gms

None of these

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