Rarama
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Na rarama e electromagnetic rarama ena loma ni dua na tiki ni electromagnetic karakarawa. Na vosa e dau tukuna na rarama, sai koya na tiki ni mo e rawa ni kilai mai na mata ni tamata. Na rarama e laurai e dau vakamacalataki me vaka na uabalavu ena 400 – 700 nanomita (NM), se 4.00 × 10 − 7 ki na 7.00 × 10 − 7 m, ena maliwa ni infrared (ena uabalavu balavu) kei na ultralokaloka (kei na kena e lekaleka uabalavu). Na uabalavu oqo e kena veigauna vakacava na rauta 430 – 750 terahertz (THz).
![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Light_dispersion_conceptual_waves.gif/260px-Light_dispersion_conceptual_waves.gif)
![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/f/f1/EM_spectrum.svg/220px-EM_spectrum.svg.png)