Question # 1

Which of the following do not effect evaporation?

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Temperature

Wind

Volume

Surface area of liquid

1 mega watt is equal to:

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10² W

10³ W

10⁵ W

10⁶W

Rate of doing work is called:

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Energy

Torque

Power

Moment

Which of the following material has large specific heat?

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Copper

Ice

Water

Mercury

Which process produced cooling effect?

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boiling

freezing

condensation

evaporation

The energy stored in a dam is:

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Electric energy

Potential energy

Kinetic energy

Thermal energy

The Young's Modulus of Rubber is:

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1.40 ×106 N/m2

1.6× 106 N/m2

1.4 × 107 N/m2

0.40 × 108 N/m2

A car starts from rest. It acquires a speed of 25 ms^-1after 20 s. The distance moved by the car during this time is

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31.25 m

250 m

5000 m

500 m

At sea level, the atmospheric pressure is about.

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101320 Pa

101300 Pa

10110 Pa

10112 Pa

The gravitational field exist _________ the earth.

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One direction

Upward

All aorund

Downward

Transfer of heat by actual movement of molecules form hot place to cold place is called:

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Conduction

Convection

Radiation

None

In the nineteenth century, physics science were divided into distine discipline.

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5

4

6

7

In solids, Heat is transferred by:

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Radiation

Conduction

Convection

Absorption

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