How does the EM wave get to that speed after the moment it is produced/generated, does it accelerate to c? Considering the particle nature of light, how can this be explained, does it start with c?...or is this question fundamentally wrong?!
Well, there are two different phenomena to consider:
1) the speed of the signal of "existence" which is always constant c, while the speed of the light can be below c, outside vacuum.
The EM-wave is an "oscillation in space" extending with the velocity of the signal of existence, it has no acceleration.
2) the light is constituted by photons which can have a velocity lower than c and are accelerated after creation.
JES
The question is WHERE EM-WAVE IS COMING FROM?
to understand the origination of it, read this article.
Article Quantum Intelligent Space
Our universe building block is quantum mechanics phenomenon, and space of the universe is not just holder or container. space has character.
regards
In relation with Stellan's case # 2), the mechanics of such a photon emission in harmony with Maxwell's equations at the subatomic level is available from this recently published paper:
Michaud, A. (2020) Electromagnetism according to Maxwell's Initial Interpretation. Journal of Modern Physics, 11, 16-80. https://doi.org/10.4236/jmp.2020.111003.
https://www.scirp.org/pdf/jmp_2020010915471797.pdf
Best Regards, André
It's important to realize c is not just a limit on EM radiation. Speed limit c applies to everything: mass, energy, information, gravity, etc. Nothing surpasses c. Only massless phenomena achieve c.
Speed limit c is universal, finite, isotropic, constant, and invariant. The simplest possible model of this (in just 4 pages) is given in: Article 'c' for Yourself
Light speed c is entirely determined by the primary constants and time-development laws of binary mechanics. See, e.g.,
http://www.binary-mechanics.com/2020/02/light-speed-derivation.html
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