Radius of a sphere is 100cm at 0^(@)C and 100.1 cm at 100^(@)C. Coefficient of cubical expansion of the sphere is

Radius of a sphere is 100cm at 0^(@)C and 100.1 cm at 100^(@)C. Coeffi

1.	Radius of a sphere is 100cm at 0^(@)C and 100.1 cm at 100^(@)C. Coefficient of cubical expansion of the sphere is
Answer» `30 XX 10^(-6)`/C `10 xx 10^(-6)//^(@)C ` `60 xx 10^(-6) //^(@)C ` `20 xx 10^(-6)//^(@) C ` Answer :A