Chapter 41, Problem 41.3E

(a)

To determine

Wavelength of the photon emitted when an electron in a three dimensional box of side length $8.00\times {10}^{-11}\text{m}$ makes a transition from the $n_X=2$, $n_Y=2$, $n_Z=1$ state to the $n_X=1$, $n_Y=1$, $n_Z=1$ state.