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chp39_6 - diver(a At what angle from the vertical would the...

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PHY2061 R. D. Field Department of Physics chp39_6.doc University of Florida Refraction Examples Problem: A scuba diver 20 meters beneath the smooth surface of a clear lake looks upward and judges the sun to be 40 o from directly overhead. At the same time, a fisherman is in a boat directly above the
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Unformatted text preview: diver. (a) At what angle from the vertical would the fisherman measure the sun? ( answer: 59 o ) (b) If the fisherman looks downward, at what depth below the surface would he judge the diver to be? ( answer: 15 meters ) θ 1 θ 2 20 m n 1 =4/3 n 2 =1...
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