Question # 1

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

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90°

180°

45°

360°

A particle moving uniformly along circle its projection along diameter performs

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Linear motion

Projectile motion

SHM

Rotatory motion

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

The time taken to complete one vibration is called:

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Frequency

Amplitude

Time

Time period

If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:

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10 cm

1 m

10 mn

None of these

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 body with frequency of would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

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

Amplitude in SHM is equivalent to ______ in circular motion

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Diameter

Radius

Circumference

None of these

The unit of spring constant is:

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J-sec

Metre

Nm^-1

None of these

In SHM, the acceleration is ______ when velocity is _____:

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Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

Velocity of particle executing SHM will be maximum at

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Extreme position

Mean position

b/w mean and extreme

None

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

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Force

Surface tension

Pressure

Loudness

The restoring force is always directed towards:

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Rest position

Equilibrium position

Mean position

All of them

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

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Increases

Decreases

Remains constant

None of these

An object in SHM will have maximum speed when its displacement from equilibrium position is:

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Infinity

Maximum

Zero

Minimum

The maximum distance of body from mean position when body is executing SHM is called

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Time period

Displacement

Amplitude

Frequency

Vibratory motion is always under

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Applied force

Restoring force

Periodic force

Gravitational force

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

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

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

The displacement of body executing SHM is

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x_ocoswt

x_osinwt

x_osin²wt

Both A, B

The wave form of SHM is

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Pulsed wave

Square wave

Triangular waved

Sine wave

A body with frequency would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

An object undergoes SHM. Its maximum equilibrium positions:

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Maximum

Half of its maximum value

Zero

None

To and from motion of a body about its mean position is known as:

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Translatory motion

Vibratory motion

Rotatory motion

None of these

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

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Length

Mass

Value of g

Both A and B

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

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90°

180°

45°

360°

Which one of the following is an example of SHM

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Motion in a plane

Motion in a swing

Motion in a car

None of these

Amplitude in SHM is equivalent to ______ in circular motion:

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Diameter

Radius

Circumference

None of these

The SI unit of spring constant is identical with that of

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Force

Surface tension

Pressure

Loudness

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