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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
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+//Exam:3.27
+clc;
+clear;
+close;
+//Miller indices of plane
+h=1;
+k=1;
+l=1;
+wavelength=0.54;//in angstrom
+a=3.57;//size of a cube
+n=1;
+d_111=a/(h^2+k^2+l^2)^(1/2);//interplanar spacing(in Angstrom)
+angle=asind(n*wavelength/(2*d_111));
+disp(angle,'Bragg angle(in degree)='); \ No newline at end of file