Question

Stefan boltzman law states that the energy radiated per unit time by blackbody is

Answer 1

Hii..
Energy radiated per unit time by blackbody is
proportional to one fourth of power of absolute temperature..

hope this helps!

Answer 2

Stefan-Boltzmann law, statement that the total radiant heat power emitted from a surface is proportional to the fourth power of its absolute temperature. The law applies only to blackbodies, theoretical surfaces that absorb all incident heat radiation.