Molecular Rotation: A diatomic molecule has 18 × 10-5 eV of rotational energy in the L = 2 quantum state. What is its rotational energy in the L = 0 quantum state? (1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ? s)
A. 9.0 × 10-5 eV
B. 6.0 × 10-5 eV
C. 3.0 × 10-5 eV
D. 0 eV
Answer: D
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