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0 answers
33 views

Does light accelerate? [duplicate]

If considering the general formula for acceleration, ie. Δ V/ΔT, we would get zero as the velocity of light is constant and does not change. However, what about when photons travel through different ...
Mel's user avatar
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0 votes
0 answers
40 views

Speed of light exiting a prism [duplicate]

When light travels through a medium, even a sparse medium, it slows down from the speed of light in vacuum to the speed of light in that medium. When that light re-enters a true vacuum, it will resume ...
Hey StackExchange's user avatar
-1 votes
1 answer
95 views

What is the acceleration of light (photon) in vacuum? [duplicate]

We all know that the speed of light is 299792458m/s, but what is the acceleration of photons? That is to say, does the photon have a speed transition from zero to the speed of light?
Higgs boson's user avatar
11 votes
6 answers
15k views

Do photons have acceleration?

Photons travel at the fastest speed in our universe, the speed of light. Do photons have acceleration?
Eka's user avatar
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