When it enters the eyes, is light a particle or wave? If so, what happens to this particle or wave when it is ‘seen’? Is it absorbed physically?
In: Biology
Yes. The photons are physically absorbed by electrons in the molecules that form the (photoreceptor) cells in the retina.
The energy transmitted by those photons change the physical properties of the receptors and they release a neurotransmitter that eventually signals your brain that light hit there.
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