Consider earth to be a homogeneous sphere. Scientist A goes…

Physics Gravitation Mix Single Correct MCQ

Published on: September 12, 2026

Consider earth to be a homogeneous sphere. Scientist A goes deep down in a mine and scientist B goes high up in a balloon. The value of g measured by

A goes on decreasing and that by B goes on increasing

B goes on decreasing and that by A goes on increasing

Each decreases at the same rate

Each decreases at different rates

Text Solution

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The correct answer is:

For scientist A which goes down in a mine

$g' = g \left( 1 - \frac{d}{R} \right)$

For scientist B, which goes up in a air $g' = g \left( 1 - \frac{2h}{R} \right)$

So it is clear that value of g measured by each will decreases at different rates.

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