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JEE Main 2022 (26 Jun, Shift 1) · Acceleration Due to Gravity

Acceleration Due to Gravity question from JEE Main 2022 (26 Jun, Shift 1)

Q78JEE Main 2022 · 26 JUN · SHIFT 1Easy

Acceleration Due to Gravity

The variation of acceleration due to gravity (g) with distance (r) from the center of the earth is correctly represented by:

(Given R = radius of earth)

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Answer: (a)

Inside ( $r < R$ ): $g = \frac{GM}{R^3}r \propto r$ , straight line from 0.
Outside ( $r > R$ ): $g = \frac{GM}{r^2}$ , decreasing curve; peak at $r = R$ .
So the answer is (a).

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