Physics · JEE

Law of equipartition of energy and applications to specific heat capacities of gases Previous Year Questions for JEE

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Part of Kinetic Theory of Gases in JEE Main Physics.

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Q1PhysicsUnit 9: Kinetic Theory of Gases

Assertion Vibrational energy of diatomic molecule corresponding to each degree of freedom is

k_{B} T

Reason For every molecule, vibrational degree of freedom is 2

Q2PhysicsUnit 9: Kinetic Theory of Gases

If for a gas

\frac{\boldsymbol{R}}{\boldsymbol{C}_{\boldsymbol{v}}}=\mathbf{0 . 6 7},

then the gas is made up of molecules which are :

Q3PhysicsUnit 9: Kinetic Theory of Gases

Molar heat capacity of a gas does not depend on

Q4PhysicsUnit 9: Kinetic Theory of Gases

Assertion

C_{P}

is always greater than

C_{V}

in gases. Reason Work done at constant pressure is more than at constant volume.

Q5PhysicsUnit 9: Kinetic Theory of Gases

5 kilomoles of oxygen is heated at constant pressure. The temperature of the oxygen gas is increased from

295 \mathrm{K}

to 305 K. If the molar heat capacity of oxygen at constant pressure is 6.994 kcal/kmole K. The amount of heat absorbed in kcal,

Q6PhysicsUnit 9: Kinetic Theory of Gases

Assertion In the formula

P=\frac{2}{3} E,

the term

E

represents translational kinetic energy per unit volume of gas. Reason In case of monoatomic gas translational kinetic energy and total kinetic energy are equal.

Q7PhysicsUnit 9: Kinetic Theory of Gases

The quantity

\frac{2 U}{f k T}

represents (where

U=

internal energy of gas

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PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

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Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Law of equipartition of energy and applications to specific heat capacities of gases, covering the same topics as previous year papers.

How should I use PYQs for Kinetic Theory of Gases?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

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