A metal ball of surface area 200 cm^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 = 5.67 xx 10^(-8) J//m^(2) - s - k^(4) )

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

1.	A metal ball of surface area 200 cm^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 = 5.67 xx 10^(-8) J//m^(2) - s - k^(4) )
Answer» 108 JOULES approx 168 joules approx 182 joules approx 192 joules approx Answer :C