On 5/12/19 9:59 PM, \0xDynamite wrote: > Sorry for this little diversion, but it has occurred to me that > physics has a bit of a logical contradiction and I think highly of the > group's rational faculties here to help me sort this out. > > If light travels at a. different speed for different colors in order > to account for the rainbow of a prism, how fast is the. speed of light > then? Is there real physics to optics? How can light know what > direction to bend after it leaves the lens?
The speed of light is a physical constant. The frequency (or wavelength) of a photon determines its energy and therefore, to the human eye, its color. Longer answer: https://www.asu.edu/courses/phs208/patternsbb/PiN/rdg/color/color.shtml https://en.wikipedia.org/wiki/Photon_energy Our ability to perceive light, and construct models of what it's bouncing off in realtime, has presented interesting problems to many noted scientists over the years. An illustrative example: https://vimeo.com/70051022 :o)
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