Light isn't a particle
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From: BURT on 20 May 2010 14:35 In the 1930's Einstein questioned what he won the Nobel prize for. He said he could not reconcile the wave of light with a particle. in the end. Light is only a wave. It has no momentum like matter. Mitch Raemsch
From: Igor on 20 May 2010 16:24 On May 20, 2:35 pm, BURT <macromi...(a)yahoo.com> wrote: > In the 1930's Einstein questioned what he won the Nobel prize for. He > said he could not reconcile the wave of light with a particle. in the > end. > > Light is only a wave. It has no momentum like matter. > > Mitch Raemsch You're Poyntingly wrong. EM waves have momentum density.
From: BURT on 20 May 2010 16:53 On May 20, 1:24 pm, Igor <thoov...(a)excite.com> wrote: > On May 20, 2:35 pm, BURT <macromi...(a)yahoo.com> wrote: > > > In the 1930's Einstein questioned what he won the Nobel prize for. He > > said he could not reconcile the wave of light with a particle. in the > > end. > > > Light is only a wave. It has no momentum like matter. > > > Mitch Raemsch > > You're Poyntingly wrong. EM waves have momentum density. I don't think so. They are dual electric and magnetic waves. As such which wave will the particle be in? the electric wave or the magnetic wave?
From: PD on 20 May 2010 16:59 On May 20, 3:53 pm, BURT <macromi...(a)yahoo.com> wrote: > On May 20, 1:24 pm, Igor <thoov...(a)excite.com> wrote: > > > On May 20, 2:35 pm, BURT <macromi...(a)yahoo.com> wrote: > > > > In the 1930's Einstein questioned what he won the Nobel prize for. He > > > said he could not reconcile the wave of light with a particle. in the > > > end. > > > > Light is only a wave. It has no momentum like matter. > > > > Mitch Raemsch > > > You're Poyntingly wrong. EM waves have momentum density. And it's measurable. > > I don't think so. Then you don't know about the measurements. > They are dual electric and magnetic waves. As such > which wave will the particle be in? the electric wave or the magnetic > wave? The problem is, you see, that you're trying to make a picture in your head FIRST about how light can have momentum, in order to decide whether it does. That's backwards. First you look up the experimental measurement that confirms that it just DOES have momentum, accept that it DOES, and THEN you try to figure out a mental picture that explains how it can have the momentum it obviously does have. PD
From: Michael Moroney on 20 May 2010 17:05
BURT <macromitch(a)yahoo.com> writes: >On May 20, 1:24 pm, Igor <thoov...(a)excite.com> wrote: >> On May 20, 2:35 pm, BURT <macromi...(a)yahoo.com> wrote: >> >> > Light is only a wave. It has no momentum like matter. >> >> > Mitch Raemsch >> >> You're Poyntingly wrong. EM waves have momentum density. >I don't think so. They are dual electric and magnetic waves. As such >which wave will the particle be in? the electric wave or the magnetic >wave? The momentum of a photon is directly proportional to its frequency, p = hf/c. That a photon does carry momentum is easily observable. |