Question # 1

Process by which liquids changes into vapors is ............... .

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Vaporization

Evaporation

Boiling

None of above

The specific heat of glass is:

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501.72

500

501

502

The unit of rate of conduction :

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JS^-1

J

K

JK^-1

Absolute zero is equal to:

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0°C

-273°C

0°F

All

The energy store in an atom or molecule due to intermolecular force is:

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Kinetic energy

Potential energy

Internal energy

G.P.E

Kinetic energy of the molecules depends on its:

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Temperature

Surface are

Density

Volume

How many scales of measurement of temperature are?

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One

Two

Three

Four

Degree of hotness or coldness a body is called:

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Heat

Internal Energy

Temperature

Potential energy

The temperature of sun surface is:

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5000°C

4000°C

6000°C

7000°C

Degree of hotness or coldness measures the body:

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Heat

Temperature

Energy

Thermal

A large water reservoir heeps the temperature of nearby land moderate due to:

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Low temperature

Low specific heat of water

Less absorption of heat

Large specific heat of water

If 'm' is a mass of a body and 'c' is its specific heat, then its heat capacity is a given by

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m/c

c/m

mc

mc2

Which process produced cooling effect?

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boiling

freezing

condensation

evaporation

Latent heat of fusion of water is:

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3.36 x 10¹⁰ Jkg^-1

93.6 x 10¹⁰Jkg^-1

3.36 x 10⁵Jkg^-1

None of these

Water starts boiling at:

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80 °C

100 °C

90 °C

101 °C

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