A coin lies on the bottom of a pool under 1.5m of water and.9m from the side wal

Question

A coin lies on the bottom of a pool under 1.5m of water and.9m from the side wall. If a light beam is incident on the watersurface at the wall, at what angle relative to the wall must thebeam be directed so that it will illuminate the coin? N of air = 1.0000 N of water = 1.33 Thanks A coin lies on the bottom of a pool under 1.5m of water and.9m from the side wall. If a light beam is incident on the watersurface at the wall, at what angle relative to the wall must thebeam be directed so that it will illuminate the coin? N of air = 1.0000 N of water = 1.33 Thanks

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