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For a diatomic molecule with the vibrational quantum number n and rotational quantum number J, the vibrational level spacing ΔEn = En - En - 1 and the rotational level spacing ΔEJ - EJ - EJ - 1 are approximately

For a diatomic molecule with the vibrational quantum number n and rotational quantum number J, the vibrational level spacing ΔEn = En - En - 1 and the rotational level spacing ΔEJ - EJ - EJ - 1 are approximately Correct Answer ΔE<sub>n</sub> = constant, ΔE<sub>J</sub> = constant

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