A bird in air is diving vertically over a tank with speed 6cm/sec. Base of tank is silvered. A fish in the tank is rising upward along the same line with 4cm/sec.
Column I | Column II |
(i) Speed of image of fish as seen by the bird directly | [A] 12 |
(ii) Speed of image of fish after reflection | [B] 4 |
(iii) Speed of image of bird relative to the fish looking upwards | [C] 9 |
(iv) Speed of image of bird relative to the fish looking downwards in the mirror | [D] 3 |
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Ans.
(i) [C]
(ii)[D]
(iii)[A]
(iv)[B]
Sol.
(i) 9
(ii) 3
(iii) 12
(iv) 4
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