Question # 1

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

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Sine curve

Straight line

Parabola

None of these

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

A body with frequency of would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

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 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 wave form of SHM is

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Pulsed wave

Square wave

Triangular waved

Sine wave

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

The restoring force is always directed towards:

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Rest position

Equilibrium position

Mean position

All of them

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

The string of a simple pendulum should be:

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Heavy

Extensible

In-extensible

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

Amplitude in SHM is equivalent to ______ in circular motion

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Diameter

Radius

Circumference

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

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

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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