Tunneling: an 80-EV Electron Impinges Upon a Potential Barrier 100

Tunneling: An 80-eV electron impinges upon a potential barrier 100 eV high and 0.20 nm thick. What is the probability the electron will tunnel through the barrier? (1 eV = 1.60 × 10^-19 J, m_proton = 1.67 × 10^-27 kg, ħ = 1.055 × 10^-34 J ∙ s, h = 6.626 × 10^-34 J ∙ s)

A) 0.011%
B) 1.1%
C) 0.11%
D) 1.1 × 10^-4 %
E) 7.7 × 10^-10 %