tschenkel, 12 days ago

@evolvable

You can't explain photon momentum using classical mechanics. It's a quantum effect. This gives a good explanation of it:

https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/29%3A_Introduction_to_Quantum_Physics/29.04%3A_Photon_Momentum