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raintrek
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Homework Statement
Light from the K-alpha line of an unknown material X is compared with the K-alpha line of Carbon. The wavelength ratio is [tex]\frac{\lambda_x}{\lambda_c} = 0.148[/tex]. What is the matieral X?
Homework Equations
The Attempt at a Solution
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
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