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
Zero
B
1/6 times the weight at the surface ofthe earth
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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