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Forums
Physics
Quantum Physics
Red Shift Energy: Understanding the Light Phenomena
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[QUOTE="Mentz114, post: 6025516, member: 67670"] The EM field carries momentum k=λ for a mode with wavelength λ. As with bodies with mass the observed momentum depends on relative velocity and light obeys this so that a different wavelength is observed for different relative velocities. As [USER=310841]@phinds[/USER] has said you don't need to think of photons - just a field that has momentum but is massless. [/QUOTE]
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Forums
Physics
Quantum Physics
Red Shift Energy: Understanding the Light Phenomena
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