Question

The first excitation potential of the hydrogen atom in the ground state is –

• A. 13.6 volt
• B. 10.2 volt
• C. 3.4 volt
• D. None

Answer 1

Answer: (C)

3.4 volt

Answer 2

E = Rch Z²$\left( \frac{1}{n_{1}^{2}}–\frac{1}{n_{2}^{2}} \right)$