When an electron transitions from \(n=4\) to \(n=2,\) then the emitted line in the spectrum will be:
1. the first line of the Lyman series.
2. the second line of the Balmer series.
3. the first line of the Paschen series.
4. the second line of the Paschen series.

Subtopic:  Spectral Series |
 87%
Level 1: 80%+
AIPMT - 2000
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