Physics q319

319You are standing on the shore of a lake. You spot a fish swimming below the lake surface. You want to kill the fish first by throwing a spear and next, by pointing a high-power laser torch. How should you aim the spear and torch, respectively, from the options given below?
(I) Above the apparent position of the fish
(II) Below the apparent position of the fish
(III) Directly at the apparent position of the fish (NTSE Stage-II, 2015-16)

Option : A
Explanation :

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