Imagine a light planet revolving around a very massive star in a circular orbit of radius R with a period of revolution T. if the gravitational force of attraction between the planet and the star is proportational to `R^(-5//2)`, then

Options

A. `T^(2)` is proportional to `R^(2)`
B. `T^(2)` is proportional to `R^((7)/(2))`
C. `T^(2)` is proportional to `R^((3)/(2))`
D. `T^(2)` is proportional to `R^((5)/(2))`

Answer

B