CUET Preparation Today
CUET
Physics
Units and Measurements
The unit of Stefan's constant σ is
$Wm^{−2}K^{−1}$
$Wm^{2}K^{−4}$
$Wm^{−2}K^{−4}$
$Wm^{−2}K^{4}$
Stefan's law is P =σA(T4) σ=$\frac{PT^4}{A}$
⇒ σ=$Wm^{−2}K^{4}$
