The formula
(frequency) = (speed of light)/(wavelength)
says that, if the wavelength remains unchanged but still there is a frequency shift, the speed of light is variable and Einstein's relativity is disproved:
"Thus, the moving observer sees a wave possessing the same wavelength...but a different frequency...to that seen by the stationary observer."
http://farside.ph.utexas.edu/teaching/315/Waveshtml/node41.html
Max Planck Institute for Gravitational Physics: "You can see for yourself that, once more, there is a blue-shift - the pulse frequency measured at the receiver is somewhat higher than the frequency with which the pulses are sent out. This time, the
distances between subsequent pulses are not affected, but still there is a frequency shift."
https://www.einstein-online.info/en/spotlight/doppler/
"Vo is the velocity of an observer moving towards the source. This velocity is independent of the motion of the source. Hence, the velocity of waves relative to the observer is c + Vo...The motion of an observer does not alter the wavelength. The
increase in frequency is a result of the observer encountering more wavelengths in a given time."
http://a-levelphysicstutor.com/wav-doppler.php
Even Brian Greene unwittingly disproves Einstein's relativity. In explaining the relativistic Doppler effect for light, at 6:09 in this video
https://youtu.be/MBuLTzj3CWA?t=369,
he derives the formula
饾泿_obs = 1/螖t' = 纬(c-v)/位
where 饾泿_obs is the frequency measured by the moving observer, 纬 is the Lorentz factor, c is the speed of the light relative to the stationary source, v is the speed at which the observer moves away from the source, and 位 is the wavelength.
Accordingly, the speed of the light waves relative to the moving observer is
c' = 位(饾泿_obs) = 纬(c-v),
in violation of Einstein's relativity.
Pentcho Valev
https://twitter.com/pentcho_valev
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