The far infrared rotational absorption spectrum of a diatomic molecule shows equidistant lines with spacing 20 cm-1. The position of the first stokes line in the rotational Raman spectrum of this molecule is

The far infrared rotational absorption spectrum of a diatomic molecule shows equidistant lines with spacing 20 cm-1. The position of the first stokes line in the rotational Raman spectrum of this molecule is Correct Answer 60 cm<sup>-1</sup>

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