A 310-EV Electron Is Incident on a 0

question 4

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, ^mel = 9.11 × 10^-31 kg, 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%

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