The Rotation Spectrum of the HCl Molecule Suggests a Photon

question 26

Multiple Choice

The rotation spectrum of the HCl molecule suggests a photon in the far infrared (around 5.0 *10-6 m) can excite the first rotational level.From this data, the moment of inertia of the HCl molecule (in kg . m2) is:

• A)2.8 * 10-48
• B)2.8 * 10-49
• C)2.8 * 10-47
• D)2.8 * 10-46
• E)2.8 * 10-45

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