Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom.
Are not rays of light very small bodies emitted from shining substances?
Tobacco, UV rays, viruses, heredity, and age are the main causes of cancer.
During exposure, interference takes place between the incident rays and those reflected by the mirror, with the formation of interference fringes half a wavelength distant from each other.
