If $T= 2 \pi \sqrt{\large\frac{ML^3}{3Yq}}$ find the dimension of q where T is time period of bar of mass M and length L and Yaingi modulus Y
$\begin{array}{1 1} (a) \;[L] \\ (b) \;[L^2] \\ (c) \;[L^4] \\ (d) \;[L^3] \end{array}$