define stefan-boltsman law?

define stefan-boltsman law?


1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
The Stefan–Boltzmann law, also known as Stefan's law, describes the power radiated from a black body in terms of its temperature. Specifically, the Stefan–Boltzmann law states that the total energy radiated per unit surface area of a black body across all wavelengths per unit time (also known as the black-body radiant exitance or emissive power), is directly proportional to the fourth power of the black body's thermodynamic temperature T

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