A 20-mm-thick layer of water (n ! 1.33) floats on a
Chapter , Problem 131(choose chapter or problem)
A 20-mm-thick layer of water (n ! 1.33) floats on a 40-mm-thick layer of carbon tetrachloride (n ! 1.46) in a tank. A coin lies at the bottom of the tank. At what depth below the top water surface do you perceive the coin? (Hint: Use the result and assumptions of and work with a ray diagram.)
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