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JEE Main 2026 (5 Apr, Shift 2) · Gravitational Potential & Energy

Gravitational Potential & Energy question from JEE Main 2026 (5 Apr, Shift 2)

Q3JEE Main 2026 · 5 APR · SHIFT 2Easy

Gravitational Potential & Energy

A body of mass $m$ is taken from the surface of earth to a height equal to twice the radius of earth $(R_e)$ . The increase in potential energy will be ______.

( $g$ is acceleration due to gravity at the surface of earth)

Show answer and solution

Answer: (d)

$\Delta U = \frac{mgh}{1+\frac{h}{R_e}}$
With $h = 2R_e$ : $\Delta U = \frac{2mgR_e}{3}$
So the answer is (d) $\frac{2}{3}mgR_e$ .

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