A point source of light is placed at distance h below the surface of a large and deep lake. What fraction of light will escape through the surface of water?

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A point source of light is placed at distance h below the surface of a large and deep lake. What fraction of light will escape through the surface of water?
08
Sep
A point source of light is placed at distance h below the surface of a large and deep lake. What fraction of light will escape through the surface of water? A point source of light is placed at distance h below the surface of a large and deep lake. What fraction of light will escape [...]
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