A double star is a system of two stars of masses m and 2 m, revolving about their centre of mass only under their mutual gravitational attraction. If r is the separation between these two stars then their time period of rotation about their centre of mass will be proportional to

A double star is a system of two stars of masses m and 2 m, revolving

1.	A double star is a system of two stars of masses m and 2 m, revolving about their centre of mass only under their mutual gravitational attraction. If r is the separation between these two stars then their time period of rotation about their centre of mass will be proportional to
Answer» `R^(3//2)` r `m^(1//2)` `m^(-1//2)` ANSWER :A::D