Consider `a` thin spherical shell of uniform density of mass `M` and radius `R`:

Imagine a point mass 'm' maintained at the centre of a shell of uniform density having mass 'M'. If the radius of the shell is R, what will be the gravitational force exerted by the shell on the point mass? Explain.

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

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

A uniform metal sphere of radius R and mass m is surrounded by a thin uniform spherical shell of same mass and radius 4R . The centre of the shell C falls on the surface of the inner sphere. Find the gravitational fields at points A and B .

A uniform metal sphere of radius R and mass m is surrounded by a thin uniform spherical shell of same mass and radius 4R . The centre of the shell C falls on the surface of the inner sphere. Find the gravitational fields at points A and B .

A uniform metal sphere of radius R and mass m is surrounded by a thin uniform spherical shell of same mass and radius 4R . The centre of the shell C falls on the surface of the inner sphere. Find the gravitational fields at points A and B .

A small section of area DeltaA is removed from a uniform spherical shell with surface mass density sigma and radius R as shown in the figure . Find the magnitude of gravitational field intensity at point P due to the remaining mass .

A small section of area DeltaA is removed from a uniform spherical shell with surface mass density sigma and radius R as shown in the figure . Find the magnitude of gravitational field intensity at point P due to the remaining mass .

Consider a thin spherical shell of radius R consisting of uniform surface charge density sigma . The electric field at a point of distance x from its centre and outside the shell is