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Discussion Starter · #1 ·
Hello, I need help, tomorrow is the test on "waves, wave spectrum, photon, emission, absorption, lasers, x-ray, luminescence" and stuff like that. I need a crash course on that, is there any cool website where I could learn it all in ~10hours? Khanacademy doesn't have a video on this one. My bad teacher is just a total b*tch, her teaching style is just horrible, when I ask questions I just get turned down or ignored at all, but anyway about her, I'm trying, I really am trying to make this exam work. So please, help out a guy with closeminded, stupid teacher.


Thank you for reading this far, have a nice day.
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