AIPMT | 2014Photoelectric EffectHard

Question

Hydrogen atom in ground state is excited by a monochromatic radiation of λ = 975. Number ofspectral lines in the resulting spectrum emitted will be

Options

A.3
B.2
C.6
D.10

Solution

Energy incident = eV
= 12.75 eV
The Hydrogen atom will be excited to n = 4
Number of spectral lines = = 6

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