Inside a uniform sphere of density d there is a spherical cavity whose centre is at a distance r from the centre of sphere. The intensity of gravitational field inside the cavity is …

Inside a uniform sphere of density d there is a spherical cavity whose

1.	Inside a uniform sphere of density d there is a spherical cavity whose centre is at a distance r from the centre of sphere. The intensity of gravitational field inside the cavity is …
Answer» zero `(2)/(3)piGdr^(2)` `(4)/(3)piGdr` `(4)/(3)PIGD^(2)r` Answer :C