alleryLyman series transitions land at n = ___, lying in:
An = 1, ULTRAVIOLET
Bn = 2, visible
Cn = 3, infrared
Dn = 4, radio
Answer & Solution
Correct answer: A. n = 1, ULTRAVIOLET
**Lyman:** transitions to n = 1 (UV).
**Balmer:** to n = 2 (visible, includes Hα = 656 nm). Paschen: to n = 3 (IR).
**Brackett:** to n = 4 (far IR). Pfund: to n = 5.
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