An electron with energy E is incident upon a potential energy barrier of height E_pot

Question

An electron with energy E is incident upon a potential energy barrier of height E_pot < E and thickness L.If the reflection coefficient R = 0.05, A)the electron has a 0.05% chance of being reflected B)the electron has a 5% chance of being reflected C)the electron has a 95% chance of being reflected D)the electron will be partially reflected and partially transmitted E)the electron has no chance of being reflected

Quizplus · Accepted Answer

The reflection coefficient R is the ratio of reflected energy to incident energy. If R = 0.05, then 5% of the incident energy is reflected and 95% is transmitted. Therefore, the best answer is B: the electron has a 5% chance of being reflected.

An Electron with Energy E Is Incident Upon a Potential