An observer starts moving toward the light source with speed v:
https://youtube.com/watch?v=bg7O4rtlwEE
Frequency at the moving observer shifts from f=c/λ to f'=(c+v)/λ.
Speed of light relative to the moving observer shifts from c to ?
Wavelength shifts from λ to ?
Remember: (frequency) = (speed of light)/(wavelength)
Here is a clue:
"The Doppler effect is the shift in frequency of a wave that occurs when the wave source, or the detector of the wave, is moving. Applications of the Doppler effect range from medical tests using ultrasound to radar detectors and astronomy (with
electromagnetic waves)...Moving Observer. Let's say you, the observer, now move toward the source with velocity Vo. You encounter more waves per unit time than you did before. Relative to you, the waves travel at a higher speed: V' = V+Vo. The frequency
of the waves you detect is higher, and is given by: f' = V'/λ = (V+Vo)/λ."
http://physics.bu.edu/~redner/211-sp06/class19/class19_doppler.html
If the answer to the test is
Speed of light relative to the moving observer shifts from c to c'=c+v. Wavelength shifts from λ to λ (doesn't shift).
that is, if the speed of light is variable, not constant, then, as the following quotations imply, modern physics, predicated on Einstein's 1905 constant-speed-of-light falsehood, is long dead (exists in a zombie state):
Bryan Wallace: "Einstein's special relativity theory with his second postulate that the speed of light in space is constant is the linchpin that holds the whole range of modern physics theories together. Shatter this postulate, and modern physics becomes
an elaborate farce!...The speed of light is c+v."
http://www.kritik-relativitaetstheorie.de/2013/02/the-farce-of-physics-2/ Note: Bryan Wallace wrote "The Farce of Physics" on his deathbed so one should not judge him too severely for (numerous)
imperfections.
Joao Magueijo, Niayesh Afshordi: "The whole of physics is predicated on the constancy of the speed of light...So we had to find ways to change the speed of light without wrecking the whole thing too much."
https://motherboard.vice.com/en_us/article/
8q87gk/light-speed-slowed
"He opened by explaining how Einstein's theory of relativity is the foundation of every other theory in modern physics and that the assumption that the speed of light is constant is the foundation of that theory. Thus a constant speed of light is
embedded in all of modern physics and to propose a varying speed of light (VSL) is worse than swearing! It is like proposing a language without vowels."
http://www.thegreatdebate.org.uk/VSLRevPrnt.html
"If there's one thing every schoolboy knows about Einstein and his theory of relativity, it is that the speed of light in vacuum is constant. No matter what the circumstances, light in vacuum travels at the same speed...The speed of light is the very
keystone of physics, the seemingly sure foundation upon which every modern cosmological theory is built, the yardstick by which everything in the universe is measured...The constancy of the speed of light has been woven into the very fabric of physics,
into the way physics equations are written, even into the notation used. Nowadays, to "vary" the speed of light is not even a swear word: It is simply not present in the vocabulary of physics."
https://www.amazon.com/Faster-Than-Speed-Light-Speculation/
dp/0738205257
Pentcho Valev
https://twitter.com/pentcho_valev
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