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An 80 EV Electron Impinges Upon a Potential Barrier 100

Question 7

Multiple Choice

An 80 eV electron impinges upon a potential barrier 100 eV high and 0.2 nm thick. What is the probability the electron will tunnel through the barrier?


A) 10%
B) 1.0%
C) 0.10%
D) 1.1 x 10-4 %
E) 7.7 x 10-10 %

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