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As you move to a higher altitude above the Earth's surface or deep below it, the value of g
AIncreases in both cases
BDecreases in both cases
CIncreases with height but decreases with depth
DStays constant in both cases
Answer & Solution
Correct answer: B. Decreases in both cases
1. Moving up from the surface increases the distance from the centre, so g reduces.
2. Moving deep below the surface also reduces g, becoming zero at the centre.
3. So g decreases both with increasing height and with increasing depth.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 1 "Laws of Motion", p.17_
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