Answer to Question #220089 in Physics for Alex

Question

a) Write down the wave function for the first excited state of a particle in a one

dimensional box of length L. Calculate < x >and < px >for this state.

b) What is quantum tunneling? Calculate (i) the tunneling length and (ii) the tunneling

probability when an electron of energy 4.0 eV is incident on a potential barrier of height

10 eV and width of 0.2 nm.

Answer 1

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