A particle is moving with a uniform speed in a circular orbit of radius R in a central force inversely proportional to the `n^(th)` power of R. If the period of rotation of the particle is T, then :
A. `TalphaR^((n)/(2)+1`
B. `TalphaR^((n+1)//2)`
C. `TalphaR^(n//2)`
D. `TalphaR^(3//2)"for any n"`