NEET2002PhysicsThermal Properties of MatterActual
Unit of Stefan's constant is:
Options
- AWm ^2 ~K ^4
- BWm ^2 ~K ⁻⁴
- CWm ⁻² ~K ⁻¹
- DWm ⁻² ~K ⁻⁴
Correct answer
D. Wm ⁻² ~K ⁻⁴
Step-by-step solution
Stefan's law is (E= (T^4 ) ) ( aligned & = E T^4 & where, E= Energy Area Time = Watt m^2 & = Watt -m^2 k^4 = Watt -m⁻² k⁻⁴ aligned )