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According to this paper: https://academicjournals.org/article/article1380534636_Salih.pdf, the researcher states that energy of a photon...

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...