Question # 1

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

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f/2

2f

f

4f

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

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

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Zero, smallest

Smallest, zero

Zero, zero

Zero, greatest

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

To and from motion of a body about its mean position is known as:

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Translatory motion

Vibratory motion

Rotatory motion

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

The maximum distance of body from mean position when body is executing SHM is called

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Time period

Displacement

Amplitude

Frequency

The S.I unit of frequency is

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Vibrations s^-2

Ms^-1

Hertz

s^-1

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

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

The graph showing the variation of displacement with time is a

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Sine curve

Straight line

Parabola

None of these

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

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

When a body is vibrating, the displacement from mean position

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Increases with time

Decreases with time

Changes with time

None of these

To and fro motion of a body is about its mean position is known as:

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Translatory motion

Vibratory motion

Rotatory motion

None of these

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