The Lyman-alpha line is emitted from a Hydrogen atom when an electron – McqOptions

MCQOPTIONS

1.	The Lyman-alpha line is emitted from a Hydrogen atom when an electron undergoes relaxation from principal quantum number?
A.	2 to 1
B.	3 to 1
C.	3 to 2
D.	4 to 1
Answer» B. 3 to 1

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