How Does a Colour Filter Work?

Answer

Colour filters have many uses in gemology as well as other fields. They work by absorbing certain wavelengths of light and then letting only a portion of the visible part of the electromagnetic spectrum to pass through.
Q&A Related to "How Does a Colour Filter Work"
i actually dont konow what coloured filters are exactly , were doing a level assessment on them now in science but i dont get a thing of it. i done a bit about the colours of objects
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I agree, back off the colour in different ways until it looks right. The biggest problem here is that the Foo Fighters are becoming more pop and less rock and roll with each album.
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OK, I think I got it. First a tangential point. If canFilterIndexColorModel is set to true, it will NOT in fact call the filter for every pixel. It will call it for every color (with
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Ok, if you think about it... Let's say, we have a solution with a mixture of colors. We put the solution through the filter paper and one of the mixture of colors remains on the paper
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2 Additional Answers
Colour filters absorb light and transmit the light they don't absorb. A filter is yellow because it absorbs blue light and allows yellow light to pass through it. A very dense filter absorbs extra light than a less-dense filter.
Colour filters work by absorbing certain wavelengths of light and allowing only a portion of the noticeable part of the electromagnetic spectrum to pass through. For instance, if a filter is yellow, it can absorb blue light, but it will allow yellow light to pass through it.
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