5. Positrons with E = 12 eV approach a square potential barrier with height 4.0 eV. (a) Find the minimum width (greater than zero) of the barrier for which there is no reflection. (b) Find the minimum width (greater than zero) of the barrier for which there is maximum reflection.
5. Positrons with E = 12 eV approach a square potential barrier with height 4.0 eV. (a) Find the minimum width (greater than zero) of the barrier for which there is no reflection. (b) Find the minimum width (greater than zero) of the barrier for which there is maximum reflection.
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Transcribed Image Text:5. Positrons with E = 12 eV approach a square potential barrier with height 4.0 eV.
(a) Find the minimum width (greater than zero) of the barrier for which there is no reflection.
(b) Find the minimum width (greater than zero) of the barrier for which there is maximum reflection.
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