19 A bird B in air is diving vertically downwards over a

Last updated: 6/10/2023

19 A bird B in air is diving vertically downwards over a water tank with speed 5 cm s Base of tank is silvered A fish F in the tank is rising vertically upwards along the same line with 2 cm s Water level is lowered at the rate of 2 cm s Take Mwater 4 3 5 cm s Match the following two columns Column I 2 cm s 2 cm s Column II p 4 q 8 A Speed of image of fish as seen by the bird directly in cm s B Speed of image of fish formed after reflection in the mirror as seen by the bird in cm s C Speed of image of bird as seen by the fish looking upwards in cm s r 3 Speed of image of bird as seen by the fish looking downwards in cm s s 6