Question # 1

When a body moves to and fro about a point, its motion is called:

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Random motion

Vibratory motion

Linear motion

Rotatory motion

The unit of intensity of sound:

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wm^-1

wm

wm^-2

wm^-3

The example of shock absorber of the vehicles are:

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Simple harmonic motion

Vibratory motion

Damped motion

Linear motion

The product of frequency and wavelength is equal to:

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Time period

Amplitude

Wave speed

Wave energy

The unit of spring constant is:

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m

kg

Nm²

Nm^-1

The disturbance travelling in a medium is called:

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Wave motion

Simple harmonic motion

Motion

both a and b

At mean position kinetic energy of the ball is:

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Minimum

Zero

Maximum

10 J

High pitch means:

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High wavelength

High frequency

High time period

High energy

Information storage device work on the principles of:

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Heat

Sound

Light

Magnetism

the time period of body attached to spring depend on:

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mass

gravitational constant

length

amplitude

The character by which lound and faint sound can be distinguished is called:

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Pitch

Quality

Loudness

Intensity

The intensity of lawn mover is:

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10^-1 wm^-2

10^-2wm^-2

10^-1wm^-3

10^-3wm^-2

The loudness of sound is most closely related to its:

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Freqeucy

Period

Wavelength

Amplitude

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