1) Wm-2K-1
2) WmK-4
3) Wm-2K-4
4) Nm-2K-4
Answer: 3) Wm-2K-4
Solution:
According to Stefan’s law, the energy radiated per second or power radiated is given as
σAT4
σ = P/AT4
Therefore, the unit of Stefan’s constant is Wm-2K-4
1) Wm-2K-1
2) WmK-4
3) Wm-2K-4
4) Nm-2K-4
Answer: 3) Wm-2K-4
Solution:
According to Stefan’s law, the energy radiated per second or power radiated is given as
σAT4
σ = P/AT4
Therefore, the unit of Stefan’s constant is Wm-2K-4