Question # 1

The quantity that depends upon the force and increases with decrease in the area on which force is acting is called

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Momentum

Pressure

Mass

Velocity

Barometer was first set up by:

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Robert

Torricelli

Al Razi

Nil

How does heat reaches form sun to earth through?

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Conduciton

Convection

Radiation

None

The amount of heat absorb by body depends on the :

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Colour of the surface

Nature of surface

Texture of surface

Both A and B

P.E is calculated by a formula :

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Mgh

mg

gh

Nil

On Uranus the daytime temperature is ___________

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216 °C

-216 °C

-200 °C

-100 °C

Amount of substance in terms of numbers is measured in.

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gram

Kilogram

Newton

Mole

Which one box is used to keep food hot and ice cream cold for long period?

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Iron box

Aluminium Box

Styrofoam box

Plastic box

Work done is maximum when angle between force and displacement is:

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45°

0°

60°

90°

Which one is more elastic ?

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Rubber

Steel

Copper

All has equal values

Which expands on heating?

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Water

Steel

Copper

All are true

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

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5

4

6

7

In gases, heat in mainly transferred by:

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Molecular collision

Conduction

Convection

Radiaiton

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