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If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase?
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If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase?

User Eyal Cohen
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Radiant heat transfer is proportional to the 4-th power of absolute temperature.
Therefore if the temperature is quadrupled, the radiant heat energy will increase by a factor of
4⁴ = 256

Answer: 256
User AlexKost
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