GATE PH 2023 PH Q36: Atomic and Molecular Physics

It is given that the electronic ground state of a diatomic molecule

has even parity and the nuclear spin of

is 0. Which one of the following is the CORRECT statement with regard to the rotational Raman spectrum (

is the rotational quantum number) of this molecule?

Your answerChoose one option.

Lines of all

values are present

Lines have alternating intensity in the ratio of 3:1

Lines of only even

values are present

Lines of only odd

values are present

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