### Physics 7910: homework 05

**Due on Thursday, April 11, 2013:**

Problem 1 = Problem 7.6 of Blundell. Calculations in part (b) can be done by extending calculations in pages 153-5 to d=1 and d=2,
respectively.
Problem 2 = Problem 7.5 of Blundell.
Problem 3 = Problem 7.4 of Blundell.