Chapter 28, Problem 76RPP

To determine

The minimum time interval for which the electron’s energy is in the classically forbidden region, given that the barrier height above the electron energy $\left(U_{barrier}-E_{electron}\right)$ is $1\text{ eV}$ and the barrier width is $2\text{ nm}$.

a. $3\times {10}^{-16}\text{ s}$

b. $3\times {10}^{-15}\text{ s}$

c. $3\times {10}^{-14}\text{ s}$

d. $3\times {10}^{-13}\text{ s}$

e. $3\times {10}^{-12}\text{ s}$