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Two spherical stars each of mass M with their centres distant D apart revolve under mutual gravitational attraction about the point midway between their centres. The period of revolution will be :
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Correct option is B
GM2D2=Mv2D/2⇒v=GM2D⇒T=2πD2v=π2D3GMSimilar Questions
If there were a small alteration in gravitational force, then which of the following forces do you think would alter in some respect
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