The Balmer Lines
n = 1
Text Box: n = 2
n = 2
Text Box: n = 4
n = 4
Text Box: n = 5
n = 5
Text Box: n = 3
n = 3
Ha
Hb
Hg
The only hydrogen lines in the visible wavelength range.
Transitions from 2nd to higher levels of hydrogen
2nd to 3rd level = Ha (Balmer alpha line)
2nd to 4th level = Hb (Balmer beta line)
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