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Assuming the earth to be a sphere of uniform density, the acceleration due to gravityA. at a point outside the earth is inversely proportional to the square of its distance from the centreB. at a point outside the earth is inversely proportional to its disatance from the centreC. at any point inside is zeroD. at a point inside is proportional to its distance from the centre. |
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Answer» Correct Answer - A::D `g=(Gm)/(R^(3))xxr` for `r lt R` `g = (Gm)/(r^(2))` for `r gt R` so choice (A) and (D) are correct |
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