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Question

The direction of the gravitational intensity at an arbitrary point P for hemispherical shell of uniform mass density is indicated by the arrow:
420257_f09509f44f7b44b49d368bc75eb1c493.JPG

A
d
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B
e
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C
f
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D
g
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Solution

The correct option is B e
The direction of the gravitational intensity at an arbitrary point P for the hemispherical shell of uniform mass density is directed downward.
Due to zero gravitational forces acting on any particles at any point inside a spherical shell will be symmetrically placed. Here if we remove the upper hemispherical shell, the net gravitational force acting on a particle at P will be downwards. Hence gravitational intensity will be along e.
The correct option is B.

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