MP Board · Class 11 · Physics · GravitationThe value of acceleration due to gravity ($g$) at the centre of the Earth is:
Step-by-Step Solution
At a depth $d = R$ (centre of the Earth), $g' = g\left(1 - \frac{d}{R}\right) = g\left(1 - \frac{R}{R}\right) = 0$.
Detailed Options Breakdown
Option : $9.8\text{ m/s}^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Gravitation.
Option 1: Infinite
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Gravitation.
Option 2: Zero (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: $4.9\text{ m/s}^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Gravitation.
💡 Study Guide: This question tests core syllabus concepts from Gravitation. For formulas, key summaries, and mock exam reference guides, read the full Gravitation Revision Notes.