Question # 1

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

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Infinity

Maximum

Zero

Minimum

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 with frequency of would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

The unit of spring constant is:

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J-sec

Metre

Nm^-1

None of these

The restoring force is always directed towards:

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Rest position

Equilibrium position

Mean position

All of them

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

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3 K

2 K

K/4

K/3

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

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

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

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

A spring of constant k = 0.4 N m^-1is to be extended through 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 gm

40 gms

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

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

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

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Force

Acceleration

Velocity

Displacement

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

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f/2

2f

f

4f

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

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