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 \(\frac{v_{1}}{v_{2}}\) is: (NEET 2016)
A. \(\frac{r_{2}}{r_{1}}\)
B. (\(\frac{r_{2}}{r_{1}}\))²
C. \(\frac{r_{1}}{r_{2}}\)
D. (\(\frac{r_{1}}{r_{2}}\))²
Answer:A
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 \(\frac{v_{1}}{v_{2}}\) is: (NEET 2016)
A. \(\frac{r_{2}}{r_{1}}\) B. (\(\frac{r_{2}}{r_{1}}\))² C. \(\frac{r_{1}}{r_{2}}\) D. (\(\frac{r_{1}}{r_{2}}\))²