If the radius of the earth is R,what is the weight of a body at the centre of the earth?

1/6 times the weight at the surface ofthe earth

4R times the weight at the surface of the earth

Zero

1/R2 times the weight at the surface of the earth

A

1/6 times the weight at the surface ofthe earth

B

Zero

C

1/R2 times the weight at the surface of the earth

D

4R times the weight at the surface of the earth

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Solution

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Answer is C.

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