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An Electron of Kinetic Energy E0 Traveling in a Region

Question 12

Multiple Choice

An electron of kinetic energy E0 traveling in a region in which the potential energy is zero is then incident on a finite potential barrier of height U0 (= 4E0) and width a. If the potential barrier is reduced to 2E0, by what factor will the probability of penetration of the barrier be changed?


A) An electron of kinetic energy E<sub>0</sub> traveling in a region in which the potential energy is zero is then incident on a finite potential barrier of height U<sub>0</sub> (= 4E<sub>0</sub>) and width a. If the potential barrier is reduced to 2E<sub>0</sub>, by what factor will the probability of penetration of the barrier be changed? A) B) C) D) E) None of these is correct.
B) An electron of kinetic energy E<sub>0</sub> traveling in a region in which the potential energy is zero is then incident on a finite potential barrier of height U<sub>0</sub> (= 4E<sub>0</sub>) and width a. If the potential barrier is reduced to 2E<sub>0</sub>, by what factor will the probability of penetration of the barrier be changed? A) B) C) D) E) None of these is correct.
C) An electron of kinetic energy E<sub>0</sub> traveling in a region in which the potential energy is zero is then incident on a finite potential barrier of height U<sub>0</sub> (= 4E<sub>0</sub>) and width a. If the potential barrier is reduced to 2E<sub>0</sub>, by what factor will the probability of penetration of the barrier be changed? A) B) C) D) E) None of these is correct.
D) An electron of kinetic energy E<sub>0</sub> traveling in a region in which the potential energy is zero is then incident on a finite potential barrier of height U<sub>0</sub> (= 4E<sub>0</sub>) and width a. If the potential barrier is reduced to 2E<sub>0</sub>, by what factor will the probability of penetration of the barrier be changed? A) B) C) D) E) None of these is correct.
E) None of these is correct.

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