A swimmer is under water and looking up at the surface.
Chapter 26, Problem 26.4(choose chapter or problem)
A swimmer is under water and looking up at the surface. Someone holds a coin in the air, directly above the swimmers eyes. To the swimmer, the coin appears to be at a certain height above the water. Is the apparent height of the coin (a) greater than, (b) less than, or (c) the same as its actual height?
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