PHY2061 R. D. Field Department of Physics chp39_3.doc University of Florida Geometric Optics Fermat’s Principle:In traveling from one point to another, light follows the path that requires minimal timecompared to the times from the other possible paths. Theory of Reflection: Let tABbe the time for light to go from the point Ato the point Breflecting off the point P. Thus, tcLcLAB=+1112, where LxaLdxb1222=−+().
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This note was uploaded on 05/31/2011 for the course PHY 2061 taught by Professor Fry during the Spring '08 term at University of Florida.