Let V,T,L,K and r denote the speed, time period, angular momentum, kinetic energy and radius of satellite in circular orbit, then
(a)`V prop r^(-1)` , (b)`L prop r^(1//2)` , (c)`T prop r^(3//2)` , (d)`K prop r^(-2)`

Options

A. only a & b are true
B. only b & c are true
C. only a, b & d are true
D. only a, b & c are true

Answer

B