If uncertainties in the measurement of position and momentum are equal,calculate uncertainty in the measurement of velocity.

Question

$\begin{array}{1 1}(a)\;7.98\times 10^{12}m/s&(b)\;6.98\times 10^{12}m/s\\(c)\;7.98\times 10^6m/s&(d)\;5.83\times 10^{12}m/s\end{array}$