A rod of mass M of radius r,length l made up of material of young modulus Y is rotating in horizontal plane with angular velocity $\omega$.

Question

$\begin{array}{1 1}(A)\;\large\frac{M\omega^2l^2}{3\pi r^2}\\(B)\;\large\frac{M\omega^2l^2}{2\pi r^2}\\(C)\;\large\frac{M\omega^2r^2}{3\pi l^2}\\(D)\;\large\frac{M\omega^2r}{2\pi l}\end{array} $