MHT CET 2022 Physics question

PhysicsGravitationMHT CET 2022

The depth below the earth's surface at which the acceleration due to gravity 'g' becomes is (R = radius of the earth, n is an integer, n > 1)

Answer: (B)

Solution

At depth , . Setting : \dfrac\dfrac\dfrac\dfrac\dfrac{n-1}{n}$⇒

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Question ID VK-095736