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The J = 0 â J' = 1 pure rotational transition of BeH is seen at a wave number of 20.62 cm-1. Assuming that the energy density per unit frequency of the radiation field at the location of the molecule is that from a blackbody at 1,000 K, do you expect spontaneous emission to be important in this case? Hint: Calculate the ratio of the probability for spontaneous and stimulated emission.
The J = 0 â J' = 1 pure rotational transition of BeH is seen at a wave number of 20.62 cm-1. Assuming that the energy density per unit frequency of the radiation field at the location of the molecule is that from a blackbody at 1,000 K, do you expect spontaneous emission to be important in this case? Hint: Calculate the ratio of the probability for spontaneous and stimulated emission.
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ceciliaLv8
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