1 files changed, 14 insertions, 0 deletions
diff --git a/3717/CH10/EX10.9/Ex10_9.sce b/3717/CH10/EX10.9/Ex10_9.sce
new file mode 100644
index 000000000..687f7f065
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+++ b/3717/CH10/EX10.9/Ex10_9.sce
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+// Ex10_9  Page:220 (2014)
+clc;clear;
+d = 2.51e-010;    // Spacing between adjacent planes, m
+theta = 9;    // Glancing angle for diffraction, degree
+n = 1;    // Order of diffraction
+lambda = 2*d*sind(theta)/n;    // Wavelength of X-ray from Bragg's Law, m
+n = 2;    // New order of diffraction
+theta = asind(2*lambda/(2*d));    // Glancing angle for second order diffraction, degree
+printf("\nThe wavelength of X-rays = %6.4f angstrom", lambda/1e-010);
+printf("\nThe glancing angle for second order diffraction = %2d degree", theta);
+
+// Result
+// The wavelength of X-rays = 0.7853 angstrom
+// The glancing angle for second order diffraction = 18 degree 
+\ No newline at end of file