"LS, JJ and other interactions" — CSIR Net PYQ (Question 3)

A "LS, JJ and other interactions" previous-year question (PYQ) from Atomic and Molecular Physics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 3 of 11 · 5.0 marks

The total spin of a hydrogen atom is due to the contribution of the spins of the electron and the proton. In the high temperature limit, the ratio of the number of atoms in the spin-1 state to the number in the spin-0 state is

12
23
3 $1/2$
4 $1/3$

Correct answer: Option 2

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This "LS, JJ and other interactions" PYQ is part of the Atomic and Molecular Physics section of CSIR Net. Browse more "LS, JJ and other interactions" questions or join the PhysicsByAaryan live batch for full conceptual coverage.