The electronic transitions from n = 2 to n = 1 will produce shortest wavelength in (where n = principal quantum state)

The electronic transitions from n = 2 to n = 1 will produce shortest wavelength in (where n = principal quantum state)

Q. The electronic transitions from n = 2 to n = 1 will produce shortest wavelength in (where n = principal quantum state)

A.            Li+2

B.            He+

C.            H

D.            H+

Answer: Li+2

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