|Nov21-05, 03:10 PM||#1|
I have been reading Feynmanns 'QED' and am trying to understand what happens when light is reflected from a surface. I would be grateful if someone could answer the following question. I am not sure which of these views (if any) is correct.
1) When light is reflected from a surface a photon bounces of that surface
2) When light is reflected from a surface a photon is absorbed and another is emitted
3) It is not meaningful to talk about the path of individual photons , they can only be said to exist at the point of detection by some instrument.
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