可か視し光こう

noun

visible light; visible radiation

Scientific term for the portion of the electromagnetic spectrum that is visible to the human eye.

• 可か視し光こうは波は長ちょうが約やく380から750ナノメートルの電でん磁じ波はです。

  Visible light is electromagnetic radiation with wavelengths from about 380 to 750 nanometers.

• このカメラは可か視し光こうだけでなく赤せき外がい線せんも検けん出しゅつできる。

  This camera can detect not only visible light but also infrared rays.