Question # 1

Which of the following quantity for particle executing SHM is non-zero at mean position

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Force

Acceleration

Velocity

Displacement

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

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Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

The graph showing the variation of displacement with time is a

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Sine curve

Straight line

Parabola

None of these

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

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

Hertz is unit of:

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Time period

Displacement

Amplitude

Frequency

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

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

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

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1 second

2 second

3 second

None of these

Which of the following is an example of SHM(in ideal situations)

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Motion of simple pendulum

Motion of horizontal spring man system

Motion of violin string

All of these

If a force of 0.05 N produces an elongation of 20 mm in 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

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

Amplitude is the displacement of the vibrating body from:

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One extreme position to the other extreme position

Mean position any one extreme position

Both A and B are correct

None of these

Vibratory motion is always under

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Applied force

Restoring force

Periodic force

Gravitational force

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