What is the energy in kj for an x-ray photon with a frequency of 2.4x10 to the 18 power s-1

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

the answer is 0.42 is that is an option. this question provides no info