A point charge q>0 is positioned a large distance r from a neutral atom of atomic polarizability . How does the force between the charge and the atom vary with distance r? Is the force repulsive or attractive? What happens if now q<0?
Problem 2 [30 points]
Problem 3 [25 points]
Last update: Tuesday, August 21, 2007 at 5:44:43 PM.