Question

If a proton had a radius R and the charge was uniformly distributed, calculate using Bohr theory, the ground state energy of an H-atom when R=10 Armstrong

Answer 1

$$\begin{gathered} Dearstudent \\ thetotalenergyisgivenby \\ E=\frac{-Z{e}^2}{8\pi {\epsilon }_{0}R} \\ =\frac{-1\times {\left(1.602\times {10}^{-19}\right)}^2}{8\pi \times 8.85\times {10}^{-12}\times 10\times {10}^{-10}} \\ =-1.15\times {10}^{-19}J \\ =-0.72eV \\ regards \end{gathered}$$