A fish in an aquarium approaches the left wall at a rate of `3ms^(-1)` observes a
Channel: Doubtnut
Date: 2020-07-26

A fish in an aquarium approaches the left wall at a rate of `3ms^(-1)` observes a fly approaching it at `8ms^(-1)`. If the refractive index of water is `(4//3)`, find the actual velocity of the fly.   img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/BMS_V04_C01_S01_047_Q01.png" width="80%"