Question # 1

Unit of strain is

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Nm

N

Both a and b

No unit

The first man who came up with the idea of gravity was?

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Issac Newton

Einstein

Faraday

J,S Joseph

The ratio of output to input is called:

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work

Efficiency

Force

All of above

When a body is lifted through height h, the work done on it appears in the form of its

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Kinetic energy

Potential eneger

Elastic potential energy

Geothermal energy

When equal opposite forces are added then the resultant force is ______________

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Double

Triple

Zero

None of these

Melting point is also known as:

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Moiling point

Freezing point

Fusion point

None of these

The numebr .00580 is scientific notation is.

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5 .80 x 10⁵

5 .80 x 10^-4

5 .80 x 10^-3

5 .80 x 10^-2

Which of the following affects evaporation?

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Temperature

Surface area of the liquid

Wind

All of the above

Which of the follow material has large specific heat?

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Copper

Ice

Water

Mercury

Kilowatt - hour is unit of _____________

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Power

Energy

Work

K.e

The S.I unit of power is :

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j/s2

J

W

J/M2

In solids, Heat is transferred by:

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Radiation

Conduction

Convection

Absorption

Heat travels from __________

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Colder to hotter

Hotter to colder

Both a & b are possible

None of above

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