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In the nth orbit, the energy of an electron $E_n=-\frac{13.6}{n^2} eV$ for hydrogen atom. The energy required to take the electron from first orbit to second orbit will be |
10.2 eV 12.1 eV 13.6 eV 3.4 eV |
10.2 eV |
Given, $E_n=-\frac{13.6}{n^2} eV$
$E_{1 \rightarrow 2}=-3.4-(13.6)=+10.2 eV$ |
