Assuming Earth , an uniform sphere of mass M and radius R. At a point P inside Earth at a distance r measured from centre of Earth (r

Assuming Earth , an uniform sphere of mass M and radius R. At a point

1.	Assuming Earth , an uniform sphere of mass M and radius R. At a point P inside Earth at a distance r measured from centre of Earth (r
Answer» `(3)/(8)[1+(R^(2))/(R^(2))](GM)/(PIR^(3))` `(3)/(8)[1-(r^(2))/(R^(2))](Gm)/(piR^(4))` `(3)/(2)(GM)/(R^(2))` zero Answer :B