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Fed [463]
3 years ago
5

When we look at a blue recycle bin, we see blue because...

Physics
1 answer:
storchak [24]3 years ago
6 0

When light hits an object, that object absorbs some light, and reflects other light.  A blue recycle bin absorbs red and green light, but reflects blue light.  The blue light then hits your retina at the back of your eye and a signal is sent to the visual cortex of your brain.  Your brain then perceives this signal as <em>colour.</em>

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