mathtrek Posted February 3, 2007 Share Posted February 3, 2007 Having some difficulty with a subatomic problem concerning K-alpha lines: "Light from the K-alpha line of an unknown material X is compared with the K-alpha line of Carbon. The wavelength ratio is lambda(x)/lambda© = 0.148. What is the matieral X?" I've got no idea where to go with this one. The only time i've used K-alpha lines is in regards to changes of energy levels. I know E=hf=hc/lamba, but i don't see how that helps Link to comment Share on other sites More sharing options...
mathtrek Posted February 3, 2007 Author Share Posted February 3, 2007 Update - ok! managed to work it out. Good old Mosely's law! Link to comment Share on other sites More sharing options...
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