The physical quantity not having the same dimensions are

Question

$$\begin{array} {1 1}(a)\;torque \;and\;work\\(b)\;momentum\;and\;plank's\; constant\\ (c)\;stress\;and\;young's\;modulus \\(d)\;speed\;and (\mu_0 \in _0)^{\large\frac{-1}{2}}\end {array}$$