A fish rising vertically up towards the surface of water with speed 3 ms –1 observes a…
Physics · JEE Advanced · NTA Exams — Optics
A fish rising vertically up towards the surface of water with speed 3 ms–1 observes a bird diving vertically down towards it with speed 9 ms–1. The actual velocity of bird is
- 4.5 ms–1
- 5. ms–1
- 3.0 ms–1
- 3.4 ms–1
Answer
(A) 4.5 ms –1
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