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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Gravitation
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Speed of a planet in an elliptical orbit with semi major axis 'a' about sum of mass M at a distance r from the sun is

(a)GM(2r1a)(b)GM(1r1a)(c)GM(1r2a)(d)GMr2a2

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