The wavelengths of the Paschen series for hydrogen are
Chapter 28, Problem 28.27(choose chapter or problem)
The wavelengths of the Paschen series for hydrogen are given by 1 l 5 RH a 1 32 2 1 n2b n 5 4, 5, 6, . . . (a) Calculate the wavelengths of the fi rst three lines in this series. (b) Identity the region of the electromagnetic spectrum in which these lines appear.
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