Description : X-rays and Gamma rays
Last Answer : X-Rays - High energy electromagnetic radiation of wavelengths in the range 10 to 0.1 nanometres. X-rays are extra-nuclear and have two sources: (1). A characteristic (e.g.K- or L-) Xray photon is ... originate in the nucleus of atoms. A gamma ray is a photon, i.e. a discrete packet of many waves