Consider a thin uniform spherical layer of mass M and radius R. The potential energy of gravitational interaction of matter forming this shell is :

Options

A. `- (GM^(2))/(R)`
B. `-(1)/2(GM^(2))/(R)`
C. `-(3)/5(GM^(2))/(R)`
D. `-(2)/3(GM^(2))/(R)`

Answer

B