An Electron with Energy E Is Incident Upon a Potential

question 32

Multiple Choice

An electron with energy E is incident upon a potential energy barrier of height E_pot < E and thickness L.The reflection coefficient R:

• A)is always equal to zero
• B)is always equal to 1
• C)does not depend on E - E_pot
• D)is, in general, not equal to zero
• E)is equal to T + 1 where T is the transmission coefficient

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