A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case,

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Both B & C

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The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant

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Both the spheres will emit equal amount of radiation per unit time in the beginning

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Both will absorb equal amount of radiation from the surrounding in the beginning

Q. A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case,