Increasing the temperature of a blackbody by a factor of 3 will increase its energy by a factorof:
A)3.
B)6.
C)9.
D)12.
E)81.

Name: Increasing the temperature of a blackbody by a factor of 3 will increase its energy by a factorof: A)3. B)6. C)9. D)12. E)81.
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Question

Quizplus · Accepted Answer

The energy radiated by a blackbody is proportional to the fourth power of its temperature, according to the Stefan-Boltzmann law. Therefore, if the temperature increases by a factor of 3, the energy increases by $3^4 = 81$.

Increasing the Temperature of a Blackbody by a Factor of 3