Assertion :A particle of mass m dropped into a hole made along the diameter of the earth from one end to the other end possesses simple harmonic motion. Reason: Gravitational force between any two particles is inversely proportional to the square of the distance between them.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
For a particle in SHM , the relation between the force and the displacement is: $F = - K x$
But in the reason, it is given that $F = G m_{1} m_{2} / r^{2}$ which is also true but does not satisfy the assertion.

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