Serway_PSE_quick_ch43

Serway_PSE_quick_ch43 - Physics for Scientists and...

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Physics for Scientists and Engineers, 6e Chapter 43 - Molecules and Solids
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A gas of diatomic molecules is absorbing electromagnetic radiation over a wide range of frequencies. Molecule 1 is in the J = 0 rotation state and makes a transition to the J = 1 state. Molecule 2 is in the J = 2 state and makes a transition to the J = 3 state. The ratio of the frequency of the photon that excited molecule 2 to that of the photon that excited molecule 1 is 1 2 3 4 5 20% 20% 20% 20% 20% 1 2 3 4 5 1. 1 2. 2 3. 3 4. 4 5. impossible to determine
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Equation 43.7 shows that the energy spacing is proportional to J , the quantum number of the higher state in the transition. Because the frequency of the absorbed photon is proportional to the energy separation of the states, the frequencies are in the same ratio as the energy separations.
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A gas of diatomic molecules is absorbing electromagnetic radiation over a wide range of frequencies. Molecule 1, initially in the v = 0 vibrational state, makes a transition to the
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Serway_PSE_quick_ch43 - Physics for Scientists and...

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