A fish is swimming inside the water at a depth of sqrt(7) cm. Fish can see only from the circular part outside the water...

A fish swimming with the help of ...... in water.

Shell Fish taken from water during a red tide would be

A fish at a depth of sqrt(7) cm bleow the surface of water sees the outside world through a circular horizon. What is the radius of the circular horizon? [ ""_(a)mu_(w) = (4)/(3)]

A fish is swimming in a pool whose bottom surface is silver polished. Find where an observer in the air will observe the image of the fish if the depth of the pool is H and the fish is at depth h below the water surface?