JEE Mains 13-Apr-2023 Shift 1 Solved Paper

A fish rising vertically upward with a uniform velocity of 8ms−1, observes that a bird is diving vertically downward towards the fish with the velocity of 12ms−1. If the refractive index of water is ‌

4

3

, then the actual velocity of the diving bird to pick the fish, will be _________ ms−1.