B. DeMarco PHYSICS 485 Fall 2008
Problem Set #2—due Thursday, September 11
1. E&R Problem 3-3. DeBroglie wavelengths.
What would the energy and speed of a grain of sand (mass = 1mg) have to be to have this
wavelength?
2. E&R Problem 3-14. X-ray diffraction.
3. E&R Problem 4-8. Rutherford scattering.
Compare this result to the same quantity in the Thomson model.
4. E&R Problems 4-32 and 4-33. Bohr model for helium.