可见光 Visible spectrum
（重定向自Colour spectrum）
可见光（Visible light）是电磁波谱中人眼可以看见（感受得到）的部分。这个范围中电磁辐射被称为可见光，或简单地称为光。人眼可以感受到的波长范围一般是落在390 到 700nm。对应于这些波长的频率范围在430–790 THz。但有一些人能够感知到波长大约在380到780奈米之间的电磁波。正常视力的人眼对波长约为555纳米的电磁波最为敏感，这种电磁波处于光学频谱的绿光区域。
Colour spectrum
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英语百科
Visible spectrum 可见光
（重定向自Colour spectrum）
The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 390 to 700 nm. In terms of frequency, this corresponds to a band in the vicinity of 430–770 THz.
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