Atomic StructureHard

Question

In a hydrogen atom, if energy of an electron in ground state is 13.6 eV, then that in the 2nd excited state is

Options

A.1.51 eV
B.3.4 eV
C.6.04 eV
D.13.6 eV

Solution

2nd excited state will be the 3rd energy level
En = ev = 1.51 eV

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