Question # 1

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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f

2 f

3 f

1/2 f

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

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f/2

2f

f

4f

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

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1 second

2 second

3 second

None of these

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

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

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

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

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 particle moving uniformly along circle its projection along diameter performs

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Linear motion

Projectile motion

SHM

Rotatory motion

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

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Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

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

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Choose an answer

Circular motion, circumference

Vibrator, chord

SHM, diameter

SHM, circumference

A body with frequency would complete one vibration in:

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f seconds

1/f seconds

1 second

f²second

SHM is type of ______ motion

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Vibratory

Linear

Circular

None

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