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Correct option is D)

$ForscientistB,$

Since, $g∝r_{2}1 $

So, as the distance from the center of earth increases, the value of g decreases.

$ForscientistA,$

Let scientist A be at a depth $d$.

Then only attraction is due to the sphere $(R–d)$ , where $R$ is the radius of earth.

As the attraction due to rest of the earth cancels out, so the value of $g$ decreases.

Solve any question of Gravitation with:-

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