Calculate wave number of yellow radiations having wavelength of 5800 A0 .

Question

$\begin{array}{1 1}(a)\;1.72 \times 10^6 m^{-1}\\(b)\;1.32 \times 10^6 m^{-1}\\(c)\;2.72 \times 10^6 m^{-1}\\(d)\;0.72 \times10^6 m^{-1}\end{array}$