Mht CetAtomic StructureMHT CET 2026 16th April Morning ShiftMCQ+1 / -02026What is the energy of an electron in a hydrogen atom in a stationary state corresponding to n = 2 ?A$-5.45 \times 10^{-19}$ JB$-2.40 \times 10^{-19}$ JC$-4.35 \times 10^{-18}$ JD$-6.70 \times 10^{-18}$ JCheck AnswerClear SelectionReveal AnswerShow Explanation