If Re be the radius of Earth...|Gravitation|JEEMAIN 2021

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JEE MAIN 2021

31-08-21 S1

Question

If $R_E$ be the radius of Earth, then the ratio between the acceleration due to gravity at a depth ' $r$ ' below and a height ' $r$ ' above the earth surface is.. (Given. $r

Select the correct option:

A

$1-\frac{r}{R_E}-\frac{r^2}{R_E^2}-\frac{r^3}{R_E^3}$

B

$1+\frac{r}{R_E}+\frac{r^2}{R_E^2}+\frac{r^3}{R_E^3}$

C

$1+\frac{r}{R_E}-\frac{r^2}{R_E^2}+\frac{r^3}{R_E^3}$

D

$1+\frac{r}{R_E}-\frac{r^2}{R_E^2}-\frac{r^3}{R_E^3}$

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