[" A uniform cylinder has a radius "R" and length "L" .If the "],[" moment of inertia of this cylinder about a axis passing "],[" through its center and normal to its circular face is equal an "],[" to the moment of inertia of the same cylinder about an "],[" axis passing through its center and perpendicular to its "],[[" (1) "L=R," (2) "L=sqrt(3)R],[" (3) "L=(R)/(sqrt(3))," (4) "L=sqrt((3)/(2))R]]