The dissociation energy of $H_{2\left(g\right)}$ is 435.0 $KJ.mo{l}^{-1}.$If a radiation of wavelength 2640 A° is used for atomization of hydrogen gas, What percentage of energy of radiation will be converted into kinetic energy of hydrogen atoms? $(h=6.6\times {10}^{-34}J.S,N_A=6\times {10}^{23})$