The dissociation energy of $H_2$ is 430.53KJ. If $H_2$ is exposed to light energy of wavelength 253.7 nm , what $\%$ of light energy will be converted into kinetic energy?

Question

$(a)\;91.2\%\qquad(b)\;93.5\%\qquad(c)\;90.5\%\qquad(d)\;92.6\%$