Physics

Thermal Equilibrium Definition Thermal Equilibrium is when two objects are at the same temperature. Two objects at different temperatures will reach thermal equilibrium because heat…

Radium Definition Radium is the chemical element of atomic number 88 and the element symbol is Ra, a rare radioactive metal of the alkaline earth…

About Fluorescence Definition Fluorescence is a form of luminescence, which is the emission of light not attributed to thermal radiation, that occurs over very short…

About Phosphorescence Definition Phosphorescence is light emitted after exposure to radiation, or produced by something that doesn’t produce flame or heat. Unlike fluorescence, in which…

About Radionuclide Definition A Radionuclide (radioactive nuclide or radionuclides) is an unstable nuclide and thus degenerates emitting ionizing radiation. Although some physicists sometimes commonly used…

About Alpha Particle Definition Alpha Particle is a helium nucleus. It consists of the nucleus of an atom of helium, two protons and two neutrons…

About Primordial Nuclide Definition Primordial Nuclides or primordial isotopes are nuclides found on the earth that have existed in their current form since before Earth…

About Beta Decay Definition Beta Decay is a radioactive process in which an electron is emitted from the nucleus of a radioactive atom, along with…

About Alpha Decay Definition Alpha decay (α decay) is the phenomenon of emission of an alpha particle from a radioactive nucleus. When a nucleus emits…

About Environmental Radioactivity and Sources Definition Environmental Radiation is a termed of “Background Radiation.” It is produced by radioactive materials in the human environment. While…

Uses and Physical Effects of Ionizing Radiation Introduction Ionizing Radiation can modify physical, chemical, and biological properties of materials. Today’s market dynamics using industrial electron…

About Ionizing Radiation Definition Ionizing Radiation is radiation with enough energy so that during an interaction with an atom, it can remove tightly bound electrons…