Given below are two statements: Statement I: In a diatomic …

JEE Main - Previous Year Papers JEE MAIN 2021 PAPER- 4 Single Correct MCQ

Published on: August 13, 2026

Given below are two statements:

Statement I: In a diatomic molecule, the rotational energy at a given temperature obeys Maxwell's distribution.

Statement II: in a diatomic molecule, the rotational energy at a given temperature equals the translational kinetic energy for each molecule.

In the light of the above statements, choose the correct answer from the options given below:

Both statement I and statement II are false.

Both statement I and statement II are true.

Statement I is false but statement II is true

Statement I is true but statement II is false.

Text Solution

Verified by Experts

The correct answer is:

The translational kinetic energy & rotational kinetic energy both obey Maxwell's distribution independent of each other.

T.K.E of diatomic molecules

R.K.E. of diatomic molecules

So statement I is true but statement II is false.

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