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Using time dependent perturbation theory, estimate the ratio of the probability of a transition to a...

Using time dependent perturbation theory, estimate the ratio of the probability of a transition to a 3p orbital compared to that to a 2p orbital when a hydrogen atom in its ground electronic state is exposed to 105nm light for 1 femptosecond. What is the ratio for a 2 femptosecond exposure? Explain the difference. (Hint: orbital functions in addition to energy differences need to be considered; an integral table is also helpful)

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