The energy difference between the ground state and the first excited state of an electron in a box o

Question

The energy difference between the ground state and the first excited state of an electron in a box of length $1.0 \AA$ is

Professor PC Thomas Classes · Answer

Energy difference $\Delta E = \frac{3h^2}{8mL^2} = 1.81 	imes 10^{-17} 	ext{ J}$.