1.

An electron in an excited state of hydrogen atom absorbs 2.5 times the energy needed to unboundthe electron and moves with a wavelength of 5.416 Å (h = 6.6xx10^(-34) Js) The electron was originally in

Answer»

N = 3
a=4
n=5
n=2

Solution :So `e^-` is `2^(ND)` orbit


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