Question # 1

The device that is used to measure the temperature of a body called

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Thermometer

Acidimeter

Barometer

Clock timer

On heating Air becomes.

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Heavier

Lighter

Remain same

None

The value of tan 45^ois:

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0.5

1.732

1

0.5777

In which of the following state molecules do not leave their position:

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Solid

Liquid

Gas

Plasma

Thermostat is a controlling switch:

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Heat

Temperature

Sound

Light

Pressure is quantity:

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Scalar

Vector

Constnat

Dependent

The power of electric kettle is 500W and takes 2s to heat up, find heat generated?

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E = 250 w

E = 1000 w

E = 10000 J

1KJ

Which is unitless quantity:

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Mass

Force

Inertia

Momentum

Leslie's cube is a bod of

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Metal

None Metal

wood

Metalloids

In gases, heat in mainly transferred by:

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Molecular collision

Conduction

Convection

Radiaiton

When horse pulls a cart, the action is on the?

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Cart

Earth

Horse

Earth and Cart

Near the earth surface the gravitational field strength is:

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1 N kg^-1

10 N kg^-1

100 N kg^-1

101 N kg^-1

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

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5

4

6

7

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