We know that light has a dual nature, in that it may emit photons while also exhibiting wave qualities, as seen in the electromagnetic spectrum.
This attribute of light known as dual nature was investigated, and two cases were identified: the photoelectric effect of light and the reverse photoelectric effect.
In this process (reverse photoelectric effect) the production of X-rays from the electrons accelerated by a high potential difference has impinged on a metal surface such as molybdenum and the kinetic energy of these electrons is converted into X-ray photons.