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When a planet is orbiting around the sun in an elliptical orbit, `r_(1) and r_(2)` denote its closest and farthest distances from the sun. Then the ratio of the magnitudes of maximum and minimum gravitational forces between them isA. `r_(1):r_(2)`B. `r_(1)^(2):r_(2)^(2)`C. `r_(2):r_(1)`D. `r_(2)^(2):r_(1)^(2)` |
Answer» Correct Answer - d `(F_("max"))/(F_("min"))=((r_(2))/(r_(1)))^(2)=(r_(2)^(2))/(r_(1)^(2)).` |
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