Question

What is stephans law

Answer 1

  stephans law  means the principle that the energy radiated per second by unit area at thermodynamic temperature T is directly proportional to T4.............. 

Answer 2

Hey !!

According to this law, the amount of heat radiated by unit area of surface in one second, is directly proportional to the fourth power of absolute temperature of the body.

             E ∝ T⁴ (or) E = σT⁴

where, σ is Shefan's constant. The unit is σ is Jm⁻² s⁻¹ K⁻⁴ (or) Wm⁻² K⁻⁴ and its value is

                  5.67 × 10⁻⁸ Wm⁻² K⁻⁴

Good luck !!