Posts Tagged ‘ultra-violet’

What is the visible light spectrum and who is it visible to?

Friday, September 2nd, 2011

Many of us have learnt at school that the visible light spectrum is made up of seven colours ranging from red to violet. The colours being the same as the rainbows – red, orange, yellow, green, blue, indigo, and violet.

 

You may also have learnt that the visible section is only a tiny portion of the full electro-magnetic spectrum, and this spectrum includes Infra-red (next to Red) and Ultra-violet (next to Violet). (more…)