The potential energy of an electron in the fifth orbit of hy... | PHYSICS - THE LINE SPECTRA OF THE HYDROGEN ATOM | SolveeIt | Solveeit

Today, August 19

Question

The potential energy of an electron in the fifth orbit of hydrogen atom is –

A

0.54 eV

B

– 0.54 eV

C

1.08 eV

D

– 1.08 eV

Answer

– 1.08 eV

Explanation

Solution

E = – $\frac{13.6}{5^{2}}$ eV

E = – 0.544 eV

Ep = – 2 × 0.544 = – 1.088 eV