JEE MainPhysicsGravitationMCQ+4 / −1
A solid sphere of radius R gravitationally attracts a particle placed at 3R from its centre with a force F1. Now a spherical cavity of radius is made in the sphere (as shown in figure) and the force becomes F2. The value of F1 : F2 is 

- A36 : 25
- B41 : 50
- C50 : 41
- D25 : 36
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