GRIFFITHS ELECTRODYNAMICS SOLUTIONS
KALMAN KNIZHNIK
Problem 2.1
a) Twelve equal charges, q are situated at the corners of a regular 12-sided polygon
(for instance, one on each numeral of a clock face.) What is the net force on a test
charge Q at the cente
r\
Physics (Futt 2011)
48
Chapter23: Gauss'Law
l,/
ittr-9-t.t hcY
-;=-
"The only thing in life that is achieved
without efort isfailure. " - Sourceunknown
therefore,is not an act, but a habit." * Aristotle
"Weare what we repeatedlydo. Excellence,
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Physics 415
Homework #5
1) A plano-convex (PCX) lens is one in which one surface is convex with radius of
curvature R, and the other is flat. A bi-convex (BCX) lens is one in which both surfaces
are convex with radius R. Given R and the index of refractio