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JEE PHYSICS MCQ: MECHANICAL PROPERTIES OF FLUIDS

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10 min10 \mathrm{~min} are taken to empty a rectangular vessel of height hh through an orifice in its bottom. How much time will it take to be emptied the vessel when half filled?
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Correct option: C
7 min7 \mathrm{~min}
Option C (7 min) is correct because the time taken to empty the vessel is proportional to the square root of the height.

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