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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 4

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The concept that originates from Zero^th law of thermodynamics is

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Important Questions on Thermodynamics

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 1

When an ideal diatomic gas is heated at constant pressure, the fraction of the heat energy supplied which increases the internal energy of the gas is

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 2

Assertion: It is possible that there is a change in temperature of a body without giving or taking heat from the system.

Reason: Internal energy is a function of temperature.

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 3

Assertion: In the process

V = \frac{K}{T}

, if the volume of gas increases, then work done by gas decreases.

Reason: Work done in the above process is

d W = - n R d T

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 4

2 k g

monoatomic gas of density

8 k g / m^{3}

and pressure

4 \times 10^{3} N / m^{2},

is enclosed in a container. Internal energy of gas will be:

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 5

2 kg

of a monoatomic gas is at a pressure of

4 \times 10^{4} N m^{- 2}

. The density of the gas is

8 kg m^{- 3}

. What is the order of energy of the gas due to its thermal motion?

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 6

In the figure, a certain mass of gas traces three paths

1, 2, 3

from state

A

to state

B

. If work done by the gas along three paths are

W_{1}, W_{2}, W_{3}

respectively, then
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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 12 - Thermodynamics>Exercise>Q 7

When a system is taken from state $i$ to state $f$ along the path $i a f$ , it is found that $Q = 50 cal$ and $W = 20 cal$ . Along the path undefined $Q = 36 cal$ . $W$ along the path $i b f$ is