Question

why a coin placed in a water appears to be raised? ​

Answer 1

Answer:

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. As the rays appear to come from a point above the coin, therefore, the coin seems io be raised.

Answer 2

Explanation:

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. As the rays appear to come from a point above the coin, therefore, the coin seems io be raised.