A metal ball of surface area 200cm^(2) 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 (sigma=5.67xx10^(-8)J//m^(2)-s-k^(4))

A metal ball of surface area 200cm^(2) and temperature 527^(@)C is sur

1.	A metal ball of surface area 200cm^(2) 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 (sigma=5.67xx10^(-8)J//m^(2)-s-k^(4))
Answer» 108 JOULES approx 168 joules approx 182 joules approx 192 joules approx Answer :C