Encyclopedia > Coherence (physics)

Article Content

Coherence (physics)

In the case of electromagnetic waves, cohereent waves are all of the same frequency. White light is incoherent being that the waves are of many different frequncies that come together to make white light. Lasers are coherent, because they are only one frequency.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Grateful Dead

... both released in 1970. These records featured the band's laid-back acoustic musicianship and more traditional song structures. Jerry played lead guitar and Phil played ...