Physics Help Forum The paths of light rays

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 Jun 28th 2009, 04:22 PM #1 Member   Join Date: Apr 2009 Posts: 71 The paths of light rays Hi, can someone please help me with the following? Describe the paths of light rays in a 2-dimensional media where the speed of light v is given by: (a) v = 1/y; (b) v = $\displaystyle \sqrt y$; (c) v =$\displaystyle \frac{1}{\sqrt y}$ Can somebody please show me how to do this type of question? I have not learned this stuff before and don't know how to start! Last edited by C.E; Jun 28th 2009 at 04:36 PM.

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