Question

Inside a uniform spherical shell:

1. the gravitational field is zero.
2. the gravitational potential is zero.
3. the gravitational field is the same everywhere.
4. the gravitational potential is the same everywhere.
5. all of the above.

Choose the most appropriate answer from the options given below:

Options

• (a), (c) and (d) only

• (e) only

• (b), (c) and (d) only

• (a), (b) and (c) only

Answer 1

(a), (c) and (d) only

Explanation:

Inside spherical shell

Because there is no effective mass, the gravitational field has no intensity.

And because the gravitational field is zero at all points inside, we can say the intensity of the gravitational field is zero.

Gravitational potential is constant and constant from the surface to the centre of the shell.