Energy Levels: In a transition from one vibrational state to another, a molecule emits a photon of wavelength 5.56 µm. What is the energy difference between these two states? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J)
A. 0.223 eV
B. 2.23 MeV
C. 13.6 eV
D. 13.6 MeV
E. 0.223 MeV
Answer: A
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