Light isn't a particle
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From: BURT on 20 May 2010 17:10 On May 20, 2:05 pm, moro...(a)world.std.spaamtrap.com (Michael Moroney) wrote: > BURT <macromi...(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. Please demonstrate how easy the measurement is. Mitch Raemsch
From: PD on 20 May 2010 17:20 On May 20, 4:10 pm, BURT <macromi...(a)yahoo.com> wrote: > On May 20, 2:05 pm, moro...(a)world.std.spaamtrap.com (Michael Moroney) > wrote: > > > BURT <macromi...(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. > > Please demonstrate how easy the measurement is. http://www.jstor.org/pss/79586 Note this is done 33 years ago. > > Mitch Raemsch
From: hanson on 20 May 2010 17:30 "PD" <thedraperfamily(a)gmail.com> wrote "Michael Moroney" <moroney(a)world.std.spaamtrap.com> wrote: > BURT <macromitch(a)yahoo.com> writes: >> Igor <thoov...(a)excite.com> wrote: >>> , BURT <macromi...(a)yahoo.com> wrote: >>> >>> > Light is only a wave. It has no momentum like matter. >>> >>> 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. > > Mitch: Please demonstrate how easy the measurement is. > PD: http://www.jstor.org/pss/79586 , Note this is done 33 years ago. > hanson wrote: Mike, Igor, PD, et al.. you are such pitiful teachers for Mitch Raemsch, the BURT who's hurt. You must explain away the dimension [M], mass, that still lurks and hangs in the definitions of "p", "h" and "pressure". Make Burt happy. Till then thanks for the laughs, guys... ahahaha... ahahahanson
From: Michael Moroney on 20 May 2010 18:06 BURT <macromitch(a)yahoo.com> writes: >On May 20, 2:05 pm, moro...(a)world.std.spaamtrap.com (Michael Moroney) >wrote: >> BURT <macromi...(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. >Please demonstrate how easy the measurement is. Observe matter with relatively low momentum atoms. Bombard it with photons energetic enough to knock an electron loose. Calculate the momentum of the electron and resulting ion. Subtract the initial momentum (~0). By conservation of momentum, the difference had to come from somewhere... the photon. Compare this value with that predicted by p = hf/c. Bubble chamber photos would be good, gamma + H --> e- + p+.
From: BURT on 20 May 2010 18:10
On May 20, 2:20 pm, PD <thedraperfam...(a)gmail.com> wrote: > On May 20, 4:10 pm, BURT <macromi...(a)yahoo.com> wrote: > > > > > > > On May 20, 2:05 pm, moro...(a)world.std.spaamtrap.com (Michael Moroney) > > wrote: > > > > BURT <macromi...(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. > > > Please demonstrate how easy the measurement is. > > http://www.jstor.org/pss/79586 > Note this is done 33 years ago. > > > > > > > Mitch Raemsch- Hide quoted text - > > - Show quoted text -- Hide quoted text - > > - Show quoted text - You mean 33 years ago they made something up and now you are carrying on with it. If not then answer the question which wave the particle is in? Is it in the electric wave or is it in the magnetic? Mitch Raemsch |