Q. Assuming the earth to have a constant density, point out which of the following curves show the variation of acceleration due to gravity from the centre of earth to the points far away from the surface of earth
A)
B)
C)
D) None of these
Explanation
(c) $g \propto r$ (if $r < R$) and $g \propto \frac{1}{r^{2}}$ (if $r > R$)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.