Electromagnetic radiation (EM radiation or EMR) is a form of energy emitted and absorbed by charged particles, which exhibits wave-like behavior as it travels ... en.wikipedia.org
The electromagnetic spectrum. The types of electromagnetic radiation are broadly classified into the following classes: ... en.wikipedia.org
All these devices make use of electromagnetic waves. Radio waves, microwaves, visible light, and x rays are all examples of electromagnetic waves that differ ... www.lbl.gov
What is electromagnetic radiation? Electromagnetic energy is a term used to describe all the different kinds of energies released into space by stars such as the ... www.qrg.northwestern.edu
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