Question

a coin in a beaker filled as the water appear slightly raised than its actual level.explain why?

Answer 1

A coin placed at the bottom of a tank appears to be raised when water is poured into it. Explain. It happens due to the, phenomenon of refraction of light. ... The point from which the refracted rays appear to come gives the apparent position of the coin.
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Answer 2

Explanation:

it is because of the refraction of light. A Ray of light from the coin moves into the air and bends away from the normal