Stefan-Boltzmann law for energy radiated by black body - Heat Transfer

Q.  Stefan-Boltzmann law states that the energy radiated per unit area per unit time by the black body is
- Published on 11 Aug 15

a. directly proportional to the square of the temperature of the black body
b. inversely proportional to the square of the temperature of the black body
c. directly proportional to the forth power of the temperature of the black body
d. inversely proportional to the fourth power of the temperature of the black body

ANSWER: directly proportional to the forth power of the temperature of the black body

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