question_answer

If the change in the value of g at a height h above the surface of the earth is the same as at a depth \[X\] below it when both \[X\] and h are much smaller than the radius of the earth, then

A)  \[x=h\]                                               

B)  \[x=2h\]  

C)  \[x=\frac{h}{2}\]            

D)                         \[x=\frac{h}{3}\]