NEET Physics Acceleration due to Gravity Assertion Reason Question
Assertion (A): Acceleration due to gravity decreases as we go below the Earth's surface. | Reason (R): At a depth d below the Earth's surface, the gravitational force is determined by the mass enclosed within a sphere of radius (R_E - d).
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.
Correct Answer
Detailed Explanation
As per the NCERT context, the acceleration due to gravity decreases as we move below the Earth's surface because only the mass enclosed within the sphere of radius (R_E - d) contributes to the gravitational force, resulting in a decrease of g by a factor (1 - d/R_E).
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