Talk:Visible light

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Comments[edit]

Light usually implies 'visible light', which means this article is really already covered. For example this is a quote from 'Wikipedia Light' (light):

Visible light is the portion of the electromagnetic spectrum between wavelengths of about 400 nm and 800 nm (in air). The different wavelength mixtures are interpreted by our brain as colors, ranging from red at the lower frequency to violet at the highest.

— Preceding unsigned comment added by Sodium (talkcontribs) 16:25, 5 December 2001‎ (UTC)

On the other hand, it's common to say "Ultraviolet light" or "Infrared light".
— Preceding unsigned comment added by 200.191.188.xxx (talkcontribs) 16:27, 5 December 2001‎ (UTC)

The same article (light) then says:

The term light can also refer generally to electromagnetic radiation, e.g. ultraviolet light or infrared light. The study of light and the interaction of light and matter is termed optics.

— Preceding unsigned comment added by Karl Palmen (talkcontribs) 16:36, 5 December 2001‎ (UTC)


If you think you can expand on visible-light in the same way it is possible to do with infra-red/ultraviolet without including general information that applies to all light, great :). But at the moment all the information on this page is already covered in more detail elsewhere.

Why create a page for visible-light when the 'Light' page, which should have a strong visual-slant, already exists? -- sodium

— Preceding unsigned comment added by Sodium (talkcontribs) 18:01, 5 December 2001‎ (UTC)


A REDIRECT to light could have been done. But then, we now have all this debate about the topic.

— Preceding unsigned comment added by Karl Palmen (talkcontribs) 13:00, 6 December 2001‎ (UTC)

Separate article?[edit]

I think that visible light should have its own article instead of being redirect to light (meaning the entire magnetic spectrum) because it is its own section of the EM spectrum and is used differently by humans than the other parts, just like X-ray and radio waves have their own articles even though they are just part of light. EditSafe (talk) 19:56, 19 February 2017 (UTC)

This issue has been debated before. By consensus, we ended up with the Light article being focused on visible light, with the broader meaning of the term covered at Electromagnetic radiation.--Srleffler (talk) 20:45, 19 February 2017 (UTC)