In the Absorption Spectrum of the Diatomic Molecule HCl the Central

question 20

Multiple Choice

In the absorption spectrum of the diatomic molecule HCl the central frequency is at 8.67 $\times$ 10¹³ Hz,while the absorption peaks on either side are separated by 5.9 $\times$ 10¹¹ Hz.What is the difference in energy between neighboring vibrational levels?

• A)0.18 eV
• B)0.27 eV
• C)0.36 eV
• D)2.4 meV
• E)1.2 meV

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