Intensity of the gravitational field inside the hollow spherical shell is
A. Variable
B. Minimum
C. Maximum
D. Zero

Hint: The above problem is resolved by using the concept and application of the gravitational field's intensity and the gravitational variation with the gravitational force's application. The gravitational field is the unique region where one can easily sense the effect of pulling force, and this force will show variation for the body of different orientations. Moreover, in the spherical shell, the gravitational field's intensity changes on moving from the center of the shell to the shell's corners.

Complete step by step answer:
If we consider a hollow spherical shell, then the gravitational field's intensity inside the hollow spherical shell must be zero. The major reason behind this is that the gravitational pull will occur from every direction, and this pull is similar in magnitude from all the directions. Moreover, the intensity of the gravitational field will vary when we move from the centre of the spherical shell to its edges, where the magnitude of the net gravitational pull will increase.
Therefore, the intensity of the gravitational field inside the hollow spherical shell is zero

So, the correct answer is “Option D”.

Note:
To resolve the given problem, one must go through the gravity and gravitational field's concept and applications for the various orientations and the earth. The gravitational force has significance only due to the gravitational force. The gravitational force is a significant kind of pulling force that attracts the lighter weighted body towards the massive body. Moreover, there is a vital significance for applying gravitational force in the field of modern physics.