A solid sphere of radius `a` and mass `m` is surrounded by cocentric spherical shell of thickness `2a` and mass `2m` the gravitational field at a distance 3a from their centres is

A solid sphere of mass 'M' and radius 'a' is surrounded by a uniform concentric spherical shell of thickness 2a and mass 2M. The gravitational field at distance '3a' from the centre will be :

A uniform solid sphere of mass M and radius a is surrounded symmetrically by a uniform thin spherical shell of equal mass and radius 2a.Find the gravitational field at a distance a. 3/2 a from the center

A uniform solid sphere of mass M and radius a is surrounded symmetrically by a uniform thin spherical shell of equal mass and radius 2a. Find the gravitational field at a distance a). 3/2 a from the centre , b). 5/2 as from the centre.

A uniform solid sphere of mass M and radius a is surrounded symmetrically by a uniform thin spherical shell of equal mass and radius 2a.Find the gravitational field at a distance a. 3/2 a from the center , b. 5/2 a from the center.

A uniform solid sphere of mass M and radius a is surrounded symmetrically by a uniform thin spherica shel of equla mass and radius 2a.Find the gravitational field at a distance a. 3/2 a from the centre , b. 5/2 as from the centre.

A particle of mass M is situated at the centre of a spherical shell of same mass and radius a. The gravitational potential at a point situated at (a)/(2) distance from the centre will be: