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प्रश्न
A planet moving along an elliptical orbit is closest to the Sun at distance r1 and farthest away at a distance of r2. If v1 and v2 are linear speeds at these points respectively. Then the ratio `"v"_1/"v"_2` is
विकल्प
`"r"_2/"r"_1`
`("r"_2/"r"_1)^2`
`"r"_1/"r"_2`
`("r"_1/"r"_2)^2`
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उत्तर
`"r"_2/"r"_1`
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