The heat of atomization of methane and ethane are $360 \;kJ/mol$ and $620 kJ/mol,$ respectively. The longest wavelength of light capable of breaking the C - C bond is (Avogadro number=6.02 \times 10^{23},h= 6.62 \times 10^{-34}\;Js)$: h56.62310234 J s) :

Question

$\begin{array}{1 1} 1.49 \times 10^{3} \;nm \\ 2.48 \times 10^3 \;nm \\ 2.48 \times 10^{4}\;nm \\ 1.49 \times 10^{4} \;nm \end{array} $