If temperature of a black body increases from 7°c to 287°c then the rate of energy radiation increases by?
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16 is the right answer
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Correct option (a) 16 times Explanation : Given : Initial temperature (T1) = 7°C = 280K; Final temperature (T2) = 287°C = 560 K. The Stefan's law states that radiated energy E ∝ T4
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