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According to this paper: https://academicjournals.org/article/article1380534636_Salih.pdf, the researcher states that energy of a photon is dependent on a medium while momentum of a photon is independent. However according to https://arxiv.org/ftp/physics/papers/0607/0607094.pdf, the research...

Hi all can't wait to learn more about physics.

For part one, my energy conservation equation is nhf0 + mc2 = nhf' + E my momentum conservation in x-axis is nhf0= nhf' cos(theta) + c𝒑 cos(fi) My momentum conservation in y-axis is nhf' sin(theta) = c𝒑 sin(fi) For part 2 I understand that I am supposed to get a qudratic equation in terms of...