Practicing Success
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CUET Preparation Today
The energy of hydrogen atom in its ground state is –13.6 eV. The energy of the level corresponding to the quantum number n is equal 5 is |
–5.40 eV –2.72 eV –0.85 eV –0.54 eV |
–0.54 eV |
$E_n=-\frac{13.6}{n^2} ~eV \Rightarrow E_{5}=\frac{-13.6}{5^2}=\frac{-13.6}{25}=-0.54 ~eV$ |
