STANDARDPhysics-Gravitation
STANDARD Physics Variation of g MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The dependence of acceleration due to gravity g on the distance r from the centre of the Earth assumed to be a sphere of radius R of uniform density is as shown in the figure.
A
(1)
B
(2)
C
(3)
D
(4)
Correct Answer
Option D
Detailed Explanation
The acceleration due to gravity at a depth d below the surface of Earth is g' = g(1 - d/R). For r > R, g' ∝ 1/r², which matches the graph in option (4).
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