A metal ball of surface area 200 cm and temperature 527 C is

Last updated: 6/8/2023

A metal ball of surface area 200 cm and temperature 527 C is surrounded by a vessel at 27 C If the emissivity of the metal is 0 4 then the rate of loss of heat from the ball is o 5 67 108J m s k 108 joules approx 168 joules approx 182 joules approx