The variation of magnitude of gravitational intensity (E) due to the earth is represented by the cur

Question

The variation of magnitude of gravitational intensity (E) due to the earth is represented by the curve (fig.) (R Radius of the earth).

Professor PC Thomas Classes · Answer

For points outside the sphere $E=\frac{G M}{r^{2}}$ For points inside the earth $\mathrm{E} \propto \mathrm{r}$ where r is the distance from the centre