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

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

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

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Infinity

Maximum

Zero

Minimum

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

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Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

The restoring force is always directed towards:

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Rest position

Equilibrium position

Mean position

All of them

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

The restoring force is ______ amd opposite to the applied force within _____:

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Equal, elastic limit

Different, the walls of the laboratory

Different, elastic limit

None of these

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 time taken to complete one vibration is called:

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Frequency

Amplitude

Time

Time period

Vibratory motion is always under

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Applied force

Restoring force

Periodic force

Gravitational force

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

The acceleration of body executing SHM is directly proportional to

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Applied force

Amplitude

Displacement

Frictional force

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

Which of the following forces is responsible for SHM

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Applied force

Restoring force

Fractional force

Elastic force

Amplitude in SHM is equivalent to ______ in circular motion

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Diameter

Radius

Circumference

None of these

The string of a simple pendulum should be:

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Heavy

Extensible

In-extensible

None of these

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