NEET2026Physics-Gravitation
NEET 2026 Physics Gravitational Potential Energy MCQ Question
Type: MCQ-numerical-Medium-Class 11
The amount of work done to raise a mass 'm' from the surface of the Earth to a height equal to the radius of the Earth 'R' will be
A
2 mg R
B
mg R / 4
C
mg R
D
mg R / 2
Correct Answer
Option D
Detailed Explanation
The work done is calculated using the formula W.D. = U₂ - U₁ = (GMm/2R) - (GMm/R) = GMm/2R - GMm/R = mgR/2.
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