NEET Physics Acceleration due to Gravity MCQ Question
In a diagram depicting the variation of acceleration due to gravity with depth, a point mass is shown at a depth d below the Earth's surface. Which of the following correctly describes the behavior of gravitational force and acceleration due to gravity at this depth?
The gravitational force decreases and g(d) decreases by a factor (1 - d/R_E).
The gravitational force increases and g(d) increases by a factor (1 - d/R_E).
The gravitational force remains constant and g(d) is unaffected by d.
The gravitational force decreases and g(d) increases by a factor (1 + d/R_E).
Correct Answer
Detailed Explanation
At a depth d, the acceleration due to gravity decreases by a factor (1 - d/R_E) as per the NCERT context, where only the smaller sphere of radius (R_E - d) contributes to g.
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