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Question

Physics Question on Atomic Spectra

The transition in He+ ion that will give rise to a spectral line having the same wavelength as that of some spectral line in hydrogen atom is______

A

n = 3 to n = 1

B

n = 3 to n = 2

C

n = 4 to n = 2

D

n = 4 to n = 3

Answer

n = 4 to n = 2

Explanation

Solution

The correct option is (C): n = 4 to n = 2