An object is placed at a distance of R/2 from the center of earth. Knowing mass is distributed uniformly, acceleration of that object due to gravity at that point is: (g = acceleration due to gravity on the surface of earth and R is the radius of earth)
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C
The acceleration due to gravity at a distance x (x < R) from centre of earth (of radius R) is
g(x) = g 
∴ g 
= 
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