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Question 1)A ball is dropped from …

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Question 1)A ball is dropped from a height of 20 m above the surface of the water in a lake. The refractive index of water is 4/3. A fish inside the lake, in the line of fall of the ball, is looking at the ball. At an instant, when the ball is 12.8 m above the water surface, the fish sees the speed of the ball as g = 10m/s2. (A) 9 m/s (B) 12 m/s (C) 16 m/s (D) 21.33 m/s Answer with Explanation plz

    • Posted by Devnandani Sen 7 months, 1 week ago

    CBSE > Class 12 > Physics
    • 0 answers
    ANSWER
    http://mycbseguide.com/examin8/

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