Two metallic spheres of equal outer radii are found to have same moment of inertia about their respective diameters. Then which of the following statement(s) is/are true ?
(A) The two spheres have equal masses
(B) The ratio of their masses is nearly \(1.67: 1\)
(C) The spheres are made of different materials
(D) Their rotational kinetic energies will be equal when rotated with equal uniform angular speed about their respective diameters