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Physical Chemistry Question on Spectroscopy

The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y' varies with the rotational quantum number, J, as

A

The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y'

B

The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y'

C

The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y'undefined

D

The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y'

Answer

The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y'

Explanation

Solution

The correct option is (D): The spacing between successive rotational energy levels of a diatomic molecule XY and its heavier isotopic analogue X'Y'