Two solid spheres of same ,naterial but diameters in the ratio of 5 : 4 are at temperatures 227^(0) and 127^(0) C respectively. The temperature of the surrounding is 27^(0) c and Stefan's law holds. Calculate the ratio of rates of loss of heat of the two spheres?

Two solid spheres of same ,naterial but diameters in the ratio of 5 :

1.	Two solid spheres of same ,naterial but diameters in the ratio of 5 : 4 are at temperatures 227^(0) and 127^(0) C respectively. The temperature of the surrounding is 27^(0) c and Stefan's law holds. Calculate the ratio of rates of loss of heat of the two spheres?
Answer» `2:3` `5:34` `24:9` `34:7` ANSWER :D