A uniform hollow shere has internal radiusa and external radius b. Take the potential at infinity to be zero. Density ofhte materialof the sphere is rho

A uniform hollow shere has internal radiusa and external radius b. Tak

1.	A uniform hollow shere has internal radiusa and external radius b. Take the potential at infinity to be zero. Density ofhte materialof the sphere is rho
Answer» `(4)/(3)(Gpirho(R^(3)-a^(3)))/(r^(2))` `(4)/(3)Gpirho(a^(3))/(r^(2))` `(4)/(3)(Gpirho(r^(2)-=a^(a)))/(r)` `(4)/(3)Gpirho(a^(3))/(r)` ANSWER :A