Question

Inside a uniform solid sphere. A spherical cavity is
created. The gravitational field inside the cavity is

Uniform in magnitude and direction
Uniform in magnitude only
Uniform in direction only
Neither uniform in magnitude nor in
direction
Pls answer this question with complete steps

Answer 1

Answer:

Uniform in magnitude and direction.

Explanation:

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If you will remove a sphere cavity then it becomes spherical shell and in shell gravitational field inside cavity is uniform in both mag. and direction.

Answer 2

The gravitational field inside the spherical cavity is uniform in magnitude and direction.

• The given situation has spherical symmetry, hence, we can assume that here electric field will be along the radius vector. In other words, it will be radially directed.
• The magnitude of the gravitational field inside the cavity is equal to the difference between the total gravitational field and the electric field due to the remaining part.