Which transition gives the Lyman-alpha line of hydrogen?
An = 2 to n = 1
Bn = 3 to n = 2
Cn = infinity to n = 1
Dn = 3 to n = 1
Answer & Solution
Correct answer: A. n = 2 to n = 1
The alpha line of a series is its longest wavelength, which for Lyman is the 2 to 1 jump.
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