Question

A fish is swimming in a river at a depth of 20cm from the surface of the water. Refractive index of water is 4/3. At what depth will an eagle flying above the water and exactly above the fish will see the fish?

Answer 1

Answer:

Refractive index of water is 4/3. At what depth will an eagle flying above the water will see the fish? = 20 4 3 = 15 c m