J9onathon McClure asked in USMA 22561: >Well, I suppose wavelength would be subject to the same errors that plague >the speed of light as > >V = F * (lambda) > >Since the frequency is from a standard material, the wavelength and velocity >are inseparably related. Any modification in one will cause a change in >the other. > >Since the second can be determined to such precision I suppose it would >be -- but how do you measure out 1 / 299 792 458 th of it to a similar >precision? > >Please note that accuracy is a comparison to a standard value, and precision >is comparison to other results from the same machine. Precision machines >can be calibrated to pinpoint accuracy, which brings up a confusion between >the terms when you talk about the standards to which the standards are to be >measured. > >Johnathan McClure
It is a basic principle of modern physics that the speed of light in a vacuum is constant. I am afraid that I do not have the library resources to answer your question, but I expect that the literature is quite extensive. Joe Reid
