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Unformatted text preview: L v 1 cos = n 1 L c r 1 1 n 1 sin 2 using results from the previous solution. Plugging in sin = p n 2 1 n 2 2 and simplifying, we obtain t zig zag = n 1 L c ( n 2 /n 1 ) = n 2 1 L n 2 c . The dierence t zig zag t direct readily yields the result shown in the problem statement. (b) With n 1 = 1 . 58 , n 2 = 1 . 53 and L = 300 m, we obtain t = 52 ns....
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 Fall '08
 SPRUNGER
 Physics, Light

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