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  1. P

    To a fish in an aquarium, the 4.10 mm thick walls appear to be only 3.50 mm thick.?

    What is the index of refraction of the walls?
  2. P

    Finding the index of refraction of the walls of a fish tank?

    To a fish in an aquarium, the 4.10mm thick walls appear to be only 3.50 mm thick. What is the index of refraction of the walls?
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