electromagnetic rays

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• Electromagnetic radiation and health — Electromagnetic radiation can be classified into ionizing radiation and non ionizing radiation, based on whether it is capable of ionizing atoms and breaking chemical bonds. Ultraviolet and higher frequencies, such as X rays or gamma rays are… …   Wikipedia

• electromagnetic spectrum — n the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light * * * the continuous range of electromagnetic energy from cosmic rays to electric waves …   Medical dictionary

• Electromagnetic spectroscopy — is the spectroscopy of electromagnetic spectra which arise out of atoms absorbing and emitting quanta of electromagnetic radiation. It is done with the aid of a spectrometer (spectroscope).Types of electromagnetic spectroscopyElectromagnetic… …   Wikipedia

• electromagnetic wave — n one of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X rays, and gamma rays …   Medical dictionary

• electromagnetic radiation — ► NOUN ▪ a kind of radiation including visible light, radio waves, gamma rays, and X rays, in which electric and magnetic fields vary simultaneously …   English terms dictionary

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Electromagnetic pulse — Ebomb redirects here. For EBOM, see Engineering bill of materials. This article is about the general weapons effect. For other uses, see the more specific topic (for example, Electromagnetic forming) An electromagnetic pulse (sometimes… …   Wikipedia

• Electromagnetic spectrum — The electromagnetic (EM) spectrum is the range of all possible electromagnetic radiation frequencies. [cite web|url=http://imagine.gsfc.nasa.gov/docs/dict ei.html#em spectrum|title=Imagine the Universe! Dictionary] The electromagnetic spectrum… …   Wikipedia

• Electromagnetic radiation — Electromagnetism Electricity · …   Wikipedia

• electromagnetic wave — noun radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge • Syn: ↑electromagnetic radiation, ↑nonparticulate radiation • Hypernyms: ↑radiation • Hyponyms:… …   Useful english dictionary

• Electromagnetic field — The electromagnetic field is a physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field.The electromagnetic field extends indefinitely throughout space and describes the… …   Wikipedia