In the following atoms and moleculates for the transition from n= 2 – McqOptions

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1.	In the following atoms and moleculates for the transition from n= 2 to n = 1, the spectral line of minimum wavelength will be produced by [IIT 1983]
A.	Hydrogen atom
B.	Deuterium atom
C.	Uni-ionized helium
D.	di-ionized lithium
Answer» E.

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