Electromagnetic radiation

Electromagnetic radiation is a propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation.

Related Topics:
Wave - Electric - Magnetic

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The term electromagnetic radiation is also used as a synonym for electromagnetic waves in general, even if they are not radiating or travelling in free space. This sense includes, for example, light travelling through an optical fiber, or electrical energy travelling within a coaxial cable.

Related Topics:
Light - Optical fiber - Coaxial cable

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Electromagnetic (EM) radiation carries energy and momentum which may be imparted when it interacts with matter.

Related Topics:
Energy - Momentum - Matter

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