A 310-EV Electron Is Incident on a 0

Multiple Choice

A 3.10-eV electron is incident on a 0.40-nm barrier that is 5.67 eV high.What is the probability that this electron will tunnel through the barrier? (1 eV = 1.60 × 10^-19 J, ,h = 1.055 × 10^-34 J • s,h = 6.626 × 10^-34 J • s)

A) 0.56%
B) 0.35%
C) 0.40%
D) 0.25%
E) 0.48%