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JEE Main Physics question

PhysicsGravitationJEE Main

If , and be the accelerations due to gravity at earth's surface, at a height , and at depth respectively, then **[WB-JEE 2008]**

Answer: (B)

Solution

Both height and depth reduce gravity below the surface value, so and in every case, giving . For equal small values , $≈

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Question ID VK-154276