All Problems Wave Properties of particles. Schrodinger Equation.
Problem 6.77
A particle in the ground state is located in a unidimensional square potential well of length \(l\) with absolutely impenetrable walls \((0< x< l)\). Find the probability of the particle staying within a region \(\frac{1}{3} l \leqslant x \leqslant \frac{2}{3} l\).