Question # 1

The rate at which various surface absorb heat depends upon:

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Nature of surface

Nature of liquid

Radiation

Emission & absorption

A measuring cylinder is used to measure.

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Mass

Area

Volume

Level of liquid

Evaporation takes place at temperature :

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100°C only

0°C only

35°C Only

At all temperature

Value of g increases with the:

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Increase in mass of the body

Increases in altitude

decrease the altitude

None of the above

The velocity of freely falling bbodies moving upward.

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Decreases

Increases

Constnat

zero

How does heat reaches form sun to earth through?

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Conduciton

Convection

Radiation

None

_____________ can neither be created nor be destroyed.

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Light

Force

Energy

Weight

GPS system consists of earth satellites:

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4

20

24

30

To make a body more stable ________ should be lowered:

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Axis of rotation

Center of gravity

Stabilty

None

Dull black surface is a best:

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Emitter

Absorber

Reflector

None of these

The force with which Earth attracts the object towards its center is known as

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Force

Weight

Mass

Gravity

Moon is nearly km away from the Earth:

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3,80,000 km

3800 km

3,80 km

38 km

It is easy to turn a steering wheel by applying a:

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Torque

Force

Couple

Momentum

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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