. A solid sphere of uniform density and radius R applies a gravitationalforce of attraction equal to on a particle placed at a distance 3R from the cen

A solid sphere of uniform density and radius R applies a gravitationalforce of attraction equal to

on a particle placed at a distance 3R from the centre of the sphere. A spherical cavity of radius R/2 is now made in the sphere as shown in the figure. The sphere with cavity now applies a gravitational force

on the same particle. The ratio

is:

(A):
(B):
(C):
(D):

Best Answer

Correct Answer:

(B):

. A solid sphere of uniform density and radius R applies a gravitationalforce of attraction equal to on a particle placed at a distance 3R from the cen

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