At what rate is the energy radiated by a sphere of radius 5 cm at 3000K and with an emissivity of 0.3 ? ( given Stefan's constant = 5.7 x 10^(-8)Wm^2K^(-4))

At what rate is the energy radiated by a sphere of radius 5 cm at 3000

1.	At what rate is the energy radiated by a sphere of radius 5 cm at 3000K and with an emissivity of 0.3 ? ( given Stefan's constant = 5.7 x 10^(-8)Wm^2K^(-4))
Answer» SOLUTION :`43.53 XX 10^(3) W`