Physics 214b-2008 Walter F. Smith Assignment 6 (One third length, due to break)

Due: 4 pm Wednesday 3-19-08

Reading: Ch. 4.1-4.4

Exercises

All problems are group problems, unless otherwise marked; you are encouraged to work in small groups on these.. For the individual problems, you are not allowed to consult any other students, but you may ask me for help.

6A. (individual problem) Explain why for any that is real everywhere. Hint: essentially no math is required. Also, recall that momentum is a measurable quantity.

4.4 Hints: Just inside the right side of the well, it appears that the wavefunction has zero slope, but it is meant to have a negative slope, i.e. the maximum is meant to be a bit to the left of the side of the well. You should be able to spot two problems.

4.8 (individual problem)

4.20 Part a only