A bird is flying 3 m above the surface of water. If the bird... — Physics | Mockzy

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A bird is flying 3 m above the surface of water. If the bird is diving vertically down with speed = 6 m/s, his apparent velocity as seen by a stationary fish underwater is (μwater = 4/3)

8 m/s

6 m/s

12 m/s

4 m/s

A point object O and a mirror M move with velocities of 3 cm s−1 and 4 cm s−1 re

If M.P. of Gallian telescope is 9 & tube length is 80 cm, then fo & fe will be r

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