. 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):

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