Gravitation · NEET Preparation Physics
A planet revolves in an elliptical orbit around the Sun. If v1 and v2 are the speeds of the planet at perihelion (closest distance r1) and aphelion (…
Practice question from Gravitation (NEET Preparation Physics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-97B2BD
A planet revolves in an elliptical orbit around the Sun. If and are the speeds of the planet at perihelion (closest distance ) and aphelion (farthest distance ) respectively, the ratio is equal to:
- A.ACorrect answer
- B.B
- C.C
- D.D
Solution
By conservation of angular momentum, , which gives .
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