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Originally Posted by Grey
Quote:
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Originally Posted by Sylas
But let's talk about waves, if you prefer that approach. This gives another proof that the photo-absorption by an electron is impossible.
The wave is longitudinal. It therefore gives the electron a push to one side. Therefore the photon cannot be absorbed, since it must go off to the opposite side to counterbalance. Equal and opposite reactions -- but violated if the photon is absorbed. Therefore absorption is impossible.
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Sylas, you're letting Lyndon get to you. :D I'm sure you meant to say that the wave is transverse here (especially since you then speak about the wave being deflected to the side, which wouldn't be the case for a longitudinal wave, so it looks like a mistake of words rather than one of logic). Perhaps having Lyndon continually saying that you're treating the wave as longitudinal left you with that word on your brain. :) |
I am not getting to Sylas at all. He is continuing to show his true colours here. Throughout this thread he has done his sums on light being longitudinal.
He has worked out the recoil velocity of the electron and, when he finds that he cannot equate the energy of the photon with that picked up in recoil, he says "where has the energy gone" . In transwerse waves they are separate entities. One deducts the energy picked up in recoil from the energy of the photon and it is this that produces the redshift.
Cheers,
Lyndon