Other articles where Pfund series is discussed: spectral line series: whereas the Paschen, Brackett, and Pfund series lie in the infrared.In physics, the Pfund series is a series of absorption or emission lines of atomic hydrogen. The lines were experimentally discovered in 1924 by August. The emission spectrum of atomic hydrogen has been divided into a number of spectral series, (Bohr series, n? = 3) 3.4 Brackett series (n? = 4) 3.5 Pfund series (n?. A sequence of absorption or emission lines in the far-infrared part of the spectrum, due to hydrogen. They are caused by electron jumps between the fifth. Pfund Series. Recombination Lines of Atomic Hydrogen:. 24-5, 2.3828, 4196.69, 0.000383. 25-5, 2.3744, 4211.62, 0.000343. series limit, 2.279, 4387.
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