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

Information storage device work on the principles of:

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Heat

Sound

Light

Magnetism

Time period is reciprocal of:

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Frequency

Cycle

Wave-length

Amplitude

Radio waves are:

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Longitudinal waves

Transverse waves

Electromagnetic waves

All of these

The intensity of lawn mover is:

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10^-1 wm^-2

10^-2wm^-2

10^-1wm^-3

10^-3wm^-2

1 MB =

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1022KB

1023KB

1024KB

1025KB

The advantages of electronic mail are:

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Fast communication

Cost free service

More efficient

All of these

The example of shock absorber of the vehicles are:

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Simple harmonic motion

Vibratory motion

Damped motion

Linear motion

To hear echoes, the minimum distance of the obstacle from source of sound should be:

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10 m

15 m

17 m

20 m

The S.I unit of intensity of sound is:

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Wm

Wm2

Wm-2

Wm-1

The speed of sound of water at 25 ^oC is:

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1530 ms^-1

1531 ms^-1

1560 ms^-1

1570 ms^-1

the waves have properties:

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reflection

refraction

diffraction

all of these

If there is no extension in the spring then the position is called:

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Equilibrium position

unequilibrium

neutral equilibrium

stable equilibrium

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Physics 10th Class English Medium Unit 2 Online Test MCQs With Answers

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