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Thursday 27 January 2011

Amzing facts 3

What is a colour(or) What is definition of colour at physics?Is black really a colour

Colour:-Colour is  a fixed wavelength of light coming out from a body
Do you know the substance what we call as colour is simply a substance that changes or tends to change the wavelength
of light such that its look like the specified colour
Black:-Black is not a colour.It is a light having improper wavelengths or a light whose wavelengths are mixed

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