Physics Help Forum Coefficient of linear expansion question
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 Dec 2nd 2013, 03:00 PM #1 Junior Member   Join Date: Dec 2013 Posts: 4 Coefficient of linear expansion question Measurements of XRay scattering from an unidentified metal are made. The bragg peaks are θ = 50° and 46° for temperatures of 299K and 1250K respectively. Calculate the linear expansion coefficient of the metal. This is given by (1/L)(dL/dT) The rate of change isn't uniform, so the differential form of the Bragg equation must be used. This is δd / d=δθ / tan θ. I don't know how to start this question, could somebody please help? Thanks in advance.

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