The sum of number of angular nodes and radial nodes for $4 d$-orbital is

If the position of the electron was measured with an accuracy of +0.002 nm . The uncertainty in the momentum of it would be (in $\mathrm{kg} \mathrm{ms}^{-1}$ )

$$ \left(h=6.626 \times 10^{-34} \mathrm{Js}\right) $$