Correct Answer - C
Given, `("Volume")_("sphere")=("Volume")_("cube")`
`(4)/(30 pi R^(30 =a^(3) rArr (R )/(a) =((3)/(4pi))^(⅓)`
Here, `R` a are radius of this sphere and side of the cube
`P=esigmaA(T^(4)-T_(S)^(4))rArr(P_(1))/(P_(2))=(A_(1))/(A_(2))=(4piR^(2))/(6a^(2))` .