An electron in a hydrogen atom relaxes to the n 4 level, Ask an Expert

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An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 114 THz. What is the value of n for the level in which the electron originated? I am halfway through, but uncertain as to how to simplify the problem to completion. (6.63 x 10^-34 J x s)(1.14 x 10^14 s^-1)= -2/18 x 10^-18 J x [1/4^2 - 1/ninitial^2)

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