A thin uniform spherical shell has mass M and radius R. A particle is moved from its centre O to a point P on its surface. Which statements are correct?

Select all that apply

• Option A

  Gravitational field is zero at every point of the path inside the shell

• Option B

  Gravitational potential remains constant throughout the path

• Option C

  Work done by gravitational force is zero

• Option D

  Potential at the centre is more negative than at the surface