Question # 1

Size of the molecules is much smaller as compared to the

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Mass of the molecules

Distance between the molecules

Density of the molecules

Volume of the molecules

In case the work done in zero.

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Constant pressure

Constant volume

Constant temperature

Constant mass

For an ideal gas, the internal energy is directly proportional to.

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Pressure

volume

Mass

Temperature

A constant temperature, if pressure of a given mass of gas is halved, then its volume becomes.

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Halve

Doubled

Four time

Constant

Value of triple point of water is given as.

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Zero K

100 K

273.16 K

373.16 K

Unite of thermodynamics scale of temperature is.

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Centigrade

Fahrenheit

Kelvin

Celsius

A finite volume of gas consists of

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Small no. of molecules

Large no. of molecule

Average no. of molecule

None of these

Environmental crisis are also known as

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Population crisis

Entropy crisis

War crisis

Mass crisis

Which is the process in which temperature of the system remains constant.

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Adiabatic process

Isochoric process

Isothermal process

Isobaric process

The increase in thermal pollution of environment means.

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Increase in the entropy

Decrease in the entropy

Entropy remains constant

Entropy becomes zero

A system does 600 J of work and at the same time has its internal energy increased by 320 J. How much heat has been supplied.

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28o J

920 J

600 J

200 J

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