Physics IV [Phys 262]
Objectives and Homework for September 24, 2004.


[1] Be able to explain why atoms have "characteristic X-ray" spectra, and know the difference between the Ká , Kâ , Lá , etc. X-ray lines.

[2] Understand the results and implications of the Franck-Hertz experiment.

[3] Know the DeBroglie wave relation, and know why DeBroglie was motivated to propose it.

[4] Be able to explain how Davisson & Germer confirmed DeBroglie's hypothesis.

[5] Understand the mathematics of waves.

[6] Understand what is meant by a wavepacket, and understand how wavepackets necessarily lead to uncertainty relations.

[7] Understand what a Fourier Transform is.

[8] Understand the concepts "dispersive medium", "phase velocity", and "group velocity".




Homework due Tuesday, September 28, 2004.

[1] Read through to the end of Section 5.5 in Thornton & Rex.

[2] Do Question 7 and Problems 4, 10, and 13 at the end of Chapter 5 in Thornton and Rex.