Question # 1

Unit of strain is

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Nm

N

Both a and b

No unit

Water starts boiling at:

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80 °C

100 °C

90 °C

101 °C

___________ varies with height.

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Weight

Pressure

Mass

Energy

The study of internal structur eof Earth is called.

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Atomic Physics

Plasma Physics

Geo physics

Nuclear Physics

Action and Reaction are always on:

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Same body

Different bodies

Any body

None of these

Newton per meter square is a unit of:

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Pressure

Stress

Both A and B

Force

Leslie's cube is filled with

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Cold water

Hot water

Mercury

Air

Where there is no air the atmospheric pressure is:

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Zero

101300 Pa

7 nm Hg

1000 Nm^-2

The main source of energy in the unierse is:

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Moon

Stars

Sun

Planets

Mass per unit volume is:

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Velocity

Work

Density

None

Which pair of physical quantities has same SI unit?

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energy , power

power , work

energy , work

work , momentum

Which one is more elastic ?

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Rubber

Steel

Copper

All has equal values

_____________ is centre from which its mass is equally distributed:

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Cebtre of mass

Centre of gravity

All of above

None

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