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, m_el = 9.11 × 10^-31 kg,
H = 1.055 × 10^-34 J ∙ s, h = 6.626 × 10^-34 J ∙ s)

A) 1.4 × 10^-3
B) 9.0 × 10^-4
C) 1.0 × 10^-3
D) 1.5 × 10^-3
E) 1.2 × 10^-3