Atomic StructureHard

Question

In a discharge tube, there are only two hydrogen atoms. If the electrons in both atoms are de-exciting from 4th orbit, the minimum and maximum number of spectral lines should, respectively, be

Options

A.1, 4
B.4, 1
C.3, 4
D.1, 6

Solution

Minimum is 1 (4 → 1 transition in both atoms) and maximum is 4 (4 → 3 → 2 → 1 in one atom and any other transition in other atom).

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