Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Gravitation

Question:

Two spherical shells have mass m and 2m as shown. Choose the incorrect option.

 

Options:

Between A and B gravitational field strength is zero

Between A and B gravitational potential is constant 

There will be two point one lying between B and C and other lying between C and infinity where gravitational field strength are same.

There will be a point between B and C where gravitational potential will be zero.

Correct Answer:

There will be a point between B and C where gravitational potential will be zero.

Explanation:

As there is no mass inside B, So, field between A to B is zero, i,e,. potential between  A to B is constant.

\(\frac{Gm}{x^2} = \frac{G(3m)}{y^2}\)

Potential between B and C is not zero at any point.