Gravitation-Orbital Velocity of a Satellite (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 1 - 1 of 1

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Question number: 1

» Gravitation » Orbital Velocity of a Satellite

Appeared in Year: 2010



A planet of mass m is moving around a star of mass M and radius R in a circular orbit of radius r. The star abruptly shrinks to half its radius without any loss of mass. What change will be there in the orbit of the planet?


Choice (4) Response


The radius of the orbit will not change


The radius of the orbit will increase


The radius of the orbit will decrease


The planet will escape from the star

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