A plot of gravitational field v/s distance of a point from the center for a solid sphere of radius R revealed

A

the slope of the curve from r=0 to r=R is a straight line with slope being proportional to density of the object

B

the slope of the curve from r=0 to r=R is a straight line with slope = g

C

the slope of the curve from r=0 to r=R is a straight line with slope = 0

D

the slope of the curve from r=0 to r=R is a straight line with slope = GM

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Solution

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The field is found to be linearly proportional to the distance until r=R and is given by g=GMx/R3.

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