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If the temperature of a black body increases from 7°C to 287°C, then rate of energy radiation is

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If the temperature of a black body increases from 7°C to 287°C, then rate of energy radiation is

(a) 16 times

(b) 8 times

(c) 4 times

(d) 2 times

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1 Answer

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Best answer

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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