# NEET Physics Atoms Questions Solved

In the nth orbit, the energy of an electron ${\mathrm{E}}_{\mathrm{n}}=-\frac{13.6}{{\mathrm{n}}^{2}}\mathrm{eV}$ for hydrogen atom. The energy required to take the electron from first orbit to second orbit will be
(a) 10.2 eV              (b) 12.1 eV
(c) 13.6 eV              (d) 3.4 eV

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