The period of revolution of a satellite in an orbit of radius 2R is T. What will be its period of revolution in an orbit of radius 8R ?

The period of revolution of a satellite in an orbit becomes 8 times then what will be its radius of orbit?

The period of a satellite in a circular orbit of radius R is T. What is the period of another satellite in a circular orbit of radius 4 R ?

The period of a satellite in circular orbit of radius R is T. The period of an other satellite in a circular orbit of radius 4R is