Question # 1

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 quarter of a circle is completed, phase of vibration is:

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90°

180°

45°

360°

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

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

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Infinity

Maximum

Zero

Minimum

The unit of spring constant is:

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J-sec

Metre

Nm^-1

None of these

A particle moving uniformly along circle its projection along diameter performs

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Linear motion

Projectile motion

SHM

Rotatory motion

The SI unit of spring constant is identical with that of

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Force

Surface tension

Pressure

Loudness

Which of the following forces is responsible for SHM

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Applied force

Restoring force

Fractional force

Elastic force

Vibratory motion is always under

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Applied force

Restoring force

Periodic force

Gravitational force

The SI unit of spring constant is identical with that of:

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Force

Surface tension

Pressure

Loudness

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

An oscillating body oscillates due to:

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Applied force

Restoring force

Frictional force

None of these

The S.I unit of frequency is

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Vibrations s^-2

Ms^-1

Hertz

s^-1

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

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2500 MHz

0.25 MHz

2500 KHz

None of these

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

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Applied force, inertial

Restoring force, friction

Frictional force, inertial

Restoring force, inertial

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