A small coin lies at the bottom of a water pond at a depth of 1.2m. How far from the water surface does the observer...

A small coin lies at the bottom of a water pond at a depth of 1.2m. How far from the water surface does the observer see it,given the speed of light in water is 2.3 x 10⁸m/s and velocity of light in air is 3.0 x 10⁸m/s.

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sharon kalunda answered the question on September 30, 2019 at 10:50

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