Question

a fish is moving upwards vertically with speed of 3mps in water.Refractive index of water is 4/3.At the same time a bird is moving with speed of 4mps towards the fish vertically downwards the fish feels the bird is moving with speed of -------mps​

Answer 1

Answer:

4.5 is the crt answer...

Explanation:

6/4/3= 4.5

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