According to Kepler,planets move in
- ACircular orbits around the sun
- BElliptical orbits around the sun with sun at exact centre
- CStraight lines with constant velocity
- DElliptical orbits around the sun with sun at one of its foci
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Similar Questions
When a planet revolves around the Sun,in general,for the planet:
An earth satellite $S$ has an orbit radius which is $4$ times that of a communication satellite $C$. The period of revolution of $S$ is ........ $days$.
Medium
View SolutionThe distances of Neptune and Saturn from the Sun are nearly $10^{13} \ m$ and $10^{12} \ m$ respectively. Assuming that they move in circular orbits,their periodic times will be in the ratio:
MediumAIPMT 1994
View SolutionIn planetary motion,the areal velocity of the position vector of a planet depends on the angular velocity $(\omega)$ and the distance of the planet from the sun $(r)$. If so,the correct relation for areal velocity is:
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View SolutionIf the angular momentum of a planet of mass $m$,moving around the Sun in a circular orbit is $L$,about the center of the Sun,its areal velocity is
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