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JEE PHYSICS MCQ: THERMODYNAMICS

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Application +4 | -1
A sphere and a cube of same material and same total surface area are placed in the same evacuated space turn by turn after they are heated to the same temperature. Find the ratio of their initial rates of cooling in the enclosure
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Correct option: A
π6:1\sqrt{\frac{\pi}{6}}: 1
Option A (π6:1\sqrt{\frac{\pi}{6}}: 1) is correct because it represents the ratio of initial cooling rates based on surface area to mass ratio.

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