Question

The energy of electron in first bohrs orbit of h atom is -13. 6 ev What will be it's potential energy in n=4 th orbit

Answer 1

Total energy of electron in first orbit E1 =−13.6 eV

Potential energy of electron in the first orbit U=2E1

∴ U=2×(−13.6 eV)=−27.2 eV