A black body is at room temperature. It is placed in a furnace, and it is observed that
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Verified by ExpertsThe correct answer is:
A
Initially black body absorbs all the radiant energy incident on it, so it is the darkest one. Black
body radiates maximum energy if all other condition are same. So when the temperature of the black body becomes equal to the temperature of furnace it will be brightest of all.
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