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The distance between Sun and Earth is R. The duration of year if the distance between Sun and Earth becomes 3R will be :(A) √3 years(B) 3 years(C) 9 years(D) 3√3 years |
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Answer» Correct option is (D) 3√3 years T' = T\((\frac{3R}R)^{3/2}=3√3T\) |
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