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    Bohr Theory and Balmer Series

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    One of the lines in the Balmer series of the hydrogen atom emission spectrum is at 397nm. It results from a transition from an upper level energy level to n=2. What is the principal quantum number of the upper level?

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    Solution Summary

    This solution is provided in 93 words in an attached .doc file. It provides equations for finding the principal quantum number using known values.