1.

A bird is flying at the height 3m above the river surface while a fish is 4 m below the surface. At what depth would the fish appear to the bird ? At what height the bird would appear to the fish? (given a/w = 4/3)

Answer»

Given that refractive index of air / water = 4/3

The height the bird would appear to fish = 4 + 4/3 × 3 = 4 + 4 = 8m



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