Question # 1

The formula of conversion of Celsius into Kelvin is:

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Tk = 273 - C^o

Tk = 273 + C^o

F = 1.8 + 32

All of these

Kinetic energy of the molecules depends on its:

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Temperature

Surface are

Density

Volume

The sum of kinetic energy and potential energy of molecules or atoms is called.

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Temperature

Internal energy

Kinetic energy

Potential energy

Latent heat of fusion is denoted by:

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H1

Hm

Hv

Hf

The Celsius lower reference point is 0^oC while upper reference point is:

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212 ^oC

180^oC

100^oC

110^oC

Absolute zero is equal to:

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0°C

-273°C

0°F

All

Mercury is used as thermometric material because it has

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Uniform thermal expansion

Low freezing point

Small heat capacity

All the above properties

An instrument is used for measuring temperature is called:

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Barometer

Thermometer

Voltmeter

None of above

When ice is cooled below 0 ^oC it:

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Expand

Contracts

Boils

None of these

The temperature at which a solid start melting is:

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Freezing point

Melting point

Fusion point

Both B and C

The unit of rate of conduction :

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JS^-1

J

K

JK^-1

Specific heat of water is how many times greater than that of dry soil?

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two times

three time

four times

five times

Which of the following affects evaporation?

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Temperature

Surface area of the liquid

Wind

All of the above

Specific heat of glass

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780 Jkg^-1K^-1

800 Jkg^-1K^-1

840 Jkg^-1K^-1

880 Jkg^-1K^-1

The range of clinical thermometer is:

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90 ^oC - 106^oC

35^oC - 42^oC

100^oC - 132^oC

24^oC - 35^oC

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