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4. Tunneling: An electron is incident on a potentiat-energy barrier of width L and height V= A2/2meL2. Estimate the probability that the electron will tunnel

4. Tunneling: An electron is incident on a potentiat-energy barrier of width L and height V= A2/2meL2. Estimate the probability that the electron will tunnel through the barrier if it has an energy a. V/16 b. V/100

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