P is a point at a distance r from the centre of aspherical shell of mass M and radius a, where rlt a. The gravitational potential at P is

P is a point at a distance r from the centre of aspherical shell of ma

1.	P is a point at a distance r from the centre of aspherical shell of mass M and radius a, where rlt a. The gravitational potential at P is
Answer» `-(GM)/R` `-(GM)/a` `-GMr/a^2` `-GM((a-r)/a^2)` ANSWER :B