A solid sphere of mass M and radius R has a spherical cavity of radius 
such that the center of cavity is at a distance 
from the centre of the sphere. A point mass m is placed inside the cavity at a distance 
from the centre of sphere. The gravitational force on mass m is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Field strength is uniform inside the cavity. Let us find its value at center.
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