Stefan's constant is also called as Stefan-Boltzmann constant. It is a physical constant requiring black body radiation represented by the Greek letter σ(sigma). The equation can also be derived from Planck's Law. The constant value is given in SI units σ = 5.670367(13)×10−8 W m−2 K−4.
Stefan's constant is also called as Stefan-Boltzmann constant. It is a physical constant requiring black body radiation represented by the Greek letter σ(sigma). The equation can also be derived from Planck's Law. The constant value is given in SI units σ = 5.670367(13)×10−8 W m−2 K−4.