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Two spheres of the same material have ra...

Two spheres of the same material have radii `1m ` and `4m` and temperatures `4000K ` and `2000K ` respectively. The energy radiated per second by the first sphere is greater than that by the second.

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PHYSICS GALAXY - ASHISH ARORA-HEAT TRANSFER -Unsolved Numerical Problems for Preparation of NSEP,INPhO&IPhO
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