A light planet is revolving around a massive star in a circular orbit of radius R with a period of revolution T. If the force of attraction between planet and star is proportional to R-3/2 then choose the correct option :
1
T2 ∝ R5/2
2
T2 ∝ R7/2
3
T2 ∝ R3/2
4
T2 ∝ R3
5
Question Not Attempted