sci.physics.electromag

"Sam Wormley" wrote in message
news:Z26Hj.95442$yE1.55690@attbi_s21...
> shsfowcnvrt@mailinator.com wrote:
>> Hi all,
>>
>> I wanted to ask for an explanation on the relationship between
>> photons
>> and electrons when it comes to visible light and electromagnetic
>> radiation.
>>
>
> Read Feynman's Book QED... it is accessible to the educated layman.
>
>
> 1. photons are emitted (by charged particles)
> 2. photons propagate at c
> 3. photons are absorbed (by charged particles)

To be technically correct, photons are never emitted or absorbed by a
single charged particle but that language is used loosely. It is the
energy-momentum that is emitted or absorbed. Photons are created or
destroyed in an interaction with charged particles.

Best,

Fred Diether
Co-moderator sci.physics.foundations