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MHT CET 2022 Physics question

PhysicsGravitationMHT CET 2022

A body weighs 500 N on the surface of earth. At what distance below the surface of earth it weighs 250 N ? (Radius of earth, R = 6400 km)

Answer: (B)

Solution

At depth below the surface, , so the weight is . Setting \dfrac\dfrac$

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Question ID VK-096938