**Unformatted text preview: **3. Beiser (textbook), Chapter 3, Exercise 13. 4. A photon and an electron have the same total energy. (a) Using the relativistic relation between total energy E and momentum p, show that the electron and photon have different wavelengths. (b) Show that their wavelengths approach each other when the energy of the electron becomes much larger than m e c 2 . 5. Consider an electron confined to a region of 5 fm (comparable to nuclear size). Find the minimum possible kinetic energy of the electron in MeV. Only consider motion along one direction, and use the relativistic relation between total energy E and momentum p. 6. Beiser (textbook), Chapter 3, Exercise 37....

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