Question # 1

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

Free oscillations are always produced by:

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An applied force

Gravitational force

Restoring force and inertia

Inertia only

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

SHM is type of ______ motion

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Vibratory

Linear

Circular

None

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

Hertz is unit of:

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Time period

Displacement

Amplitude

Frequency

The time period of a simple pendulum is independent of its:

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Length

Mass

Value of g

Both A and B

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 graph showing the variation of displacement with time is a:

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Sine curve

Straight line

Parabola

None of these

The restoring force is ______ and opposite tot he applied force within ______

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Equal, Elastic limit

Different, The walls of the laboratory

Different, Elastic limit

None of these

The unit of spring constant is

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J-sec

Metre

Nm^-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

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

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90°

180°

45°

360°

The number of vibration in two seconds can be expressed as

______ of frequency of vibration is f:

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f

2 f

3 f

1/2 f

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

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