Question

Time period of revolution of a nearest satellite around a planet of radius R is T. Period of revolution around another planet, whose radius is 4R but having same density is 1) T 2) 4T 3) 16T 4) 3$\sqrt{x}$3T

Answer 1

Answer:

4T,beacuse if the time taken to revolve around a planet of Radius R is T then the time taken to revolve around a planet of Radius 4R is 4T