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Imagine earth to be a solild sphere ...

Imagine earth to be a solild sphere of mass M and radius R. If the value of acceleration due to gravity at a depth d below earth's surface is same as its value at a height h above its surface and equal to `( g)/(4)` ( where g is the value of acceleration due to gravity on the surface of earth ) , the ratio of `( h) /( d) ` will be

A

`1`

B

`4/3`

C

`3/2`

D

`2/3`

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