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

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 252 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

Question number: 1

» Gravitation » Orbital Velocity of a Satellite

Appeared in Year: 2010

MCQ▾

Question

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?

Choices

Choice (4) Response

a.

The radius of the orbit will not change

b.

The radius of the orbit will increase

c.

The radius of the orbit will decrease

d.

The planet will escape from the star

Sign In