The wavelength of a beam of any given arbitrary tense of electromagnetic energy, is equal to one complete oscillation of the fluctuation of the directly corresponding respective electric field.
Here's one way of looking at what is here to be meant by "the fluctuation of the directly corresponding electric field."
Let us consider a metaphorical "shaft of brightness," that is here to be at one given arbitrary maximum cross-sectional measure of thickness, for such a so-eluded-to beam. Let us now say that this said respective shaft, is here to be traveling in a vacuum -- to where it will be propagated, in so as to be traveling as straight as the general innate bending of space and time is to be designated-- along the general course of space and time. As this said "shaft of brightness" is to be propagated along the general course of space and time -- the so-eluded-to projected beam of brightness, that is here to be linearly delineated, will then tend to go from smoothly decreasing in its cross-sectional thickness, to then going into smoothly re-gaining its initial so-eluded-to cross-sectional thickness, and back again. In the meanwhile, the center of such a harmonic tense of a fluctuation is to be going as perfectly straight -- as the natural bending of space and time will tend to allow. The scalar distance that is to be considered here, as being taken along the vantage-point, of an extrapolation that is here to be Poincare to the topology-related center of such a so-named shaft of brightness, in which there is here to be the completion of one whole individually taken tense, of the earlier mentioned harmonic perturbation in the cross-sectional thickness of the so-eluded-to beam -- may be here to be analogous to what is meant -- as to what is here to be happening to a beam of electromagnetic energy, as it is here to be harmonically fluctuating in its electric field over time.
I will continue with the suspense later! To Be Continued! Sincerely, Samuel David Roach.
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