There is often a confusion when teaching Physics that the ‘primary’ colours of physics, Red Green and blue and different from those of the artist (red yellow and blue) This PowerPoint and practical lesson explains why
Three colour receptors in retina: red green and blue
All other colours we perceive are combinations of these three
Artists and colour printers use yellow cyan and magenta, but computer and TV screen have the same colour ‘guns’ as we have receptors in our eyes.
We shall see why!
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