The wavelength of the first spectral line of the Lyman series of the hydrogen spectrum is:
1. \(1218~\mathring A\)
2. \(974.3~\mathring A\)
3. \(2124~\mathring A\)
4. \(2120~\mathring A\)

Subtopic:  Spectral Series |
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Level 2: 60%+
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