Radiant energy
Radiant Energy
Radiant energy (pronounced: /ˈreɪdiənt ˈɛnərdʒi/) is the energy of electromagnetic waves[1]. The term is most commonly used in the fields of radiometry, solar energy, heating and lighting, but is also used less frequently in other fields (such as telecommunications).
Etymology
The term "radiant energy" is derived from the Latin word "radiantem" which means "to shine" and the Greek word "energeia" which means "activity, operation".
Definition
Radiant energy is a form of kinetic energy, referring specifically to the energy that electromagnetic waves carry. This energy can be either potential or kinetic. When used in the context of solar energy, radiant energy refers to the energy that is absorbed from the sun's rays.
Related Terms
- Electromagnetic Spectrum: The range of all possible frequencies of electromagnetic radiation.
- Photon: A particle representing a quantum of light or other electromagnetic radiation.
- Solar Energy: Radiant light and heat from the Sun that is harnessed using a range of technologies such as solar heating, photovoltaics, solar thermal energy, etc.
- Radiometry: The science of measurement of radiant energy.
- Kinetic Energy: The energy which a body possesses by virtue of being in motion.
See Also
References
External links
- Medical encyclopedia article on Radiant energy
- Wikipedia's article - Radiant energy
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