Question # 1

The ratio of output to input is called:

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work

Efficiency

Force

All of above

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

__________ is a major source of heat:

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Mercury

Sun

Fire

Moon

Graph is plotted between ........ variable.

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1

2

3

4

Which one is more elastic ?

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Rubber

Steel

Copper

All has equal values

if force on body on y-axis is 100N than x-axis is:

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1000 N

200 N

600 N

0 N

There are ______ modes of transfer of heat:

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1

2

3

4

A Leslie cube is a:

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Metal box

Wooden box

Glass box

None

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

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5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

__________ expands on heating?

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Matter

Plasma

Gas

Solid

The force which opposes the motion is called.

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Momentum

Friction

Inertia

Tension

Kinetic energy is possessed by a body by:

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Virtue of motion

Height

Rest

Nil

The weight of body on earth with mass 8 kg is:

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10 N

100 N

80 N

8 N

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