Sun January 06, 2013 By:

we are able to see the colour of a red dress because out of all the components of white light red gets reflected the that case how can we justify the black colour being visible when it is not even a component of white light?

Expert Reply
Mon January 07, 2013
Black objects are black because when light rays hit them, they absorb every color from the spectrum, which makes them appear black. So even if you put them under a different colored light, they will still appear black. White is actually the exact opposite, since it reflects every color in the spectrum.
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