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Two spheres made of same material have radii in the ratio 2: 1. if both the spheres are at same temperature, then what is the ratio of heat radiation energy emitted per second by them?(a) 1: 4(b) 4: 1(c) 3: 4(d) 4: 3

sumit kumar , 10 Years ago
Grade Upto college level
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Saurabh Koranglekar

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