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diff --git a/2411/CH3/EX3.c.210/Ex3c_10.sce b/2411/CH3/EX3.c.210/Ex3c_10.sce
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+++ b/2411/CH3/EX3.c.210/Ex3c_10.sce
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+// Scilab Code Ex3c.10: Page-187 (2008)
+clc; clear;
+mu = 1.5;    // Refractive index of the material of biprism
+alpha = %pi/180;    // Base angle of biprism, radian
+D = 110;    // Distance between the source and the slit, cm
+x = 10;    // Distance between slit and the biprism, cm
+d = 2*(mu-1)*x*alpha;   // Separation between the two virtual slits, cm
+lambda = 5900e-008;    // Wavelength of light, cm
+bita = lambda*D/d;    // Fringe width, cm
+printf("\nThe fringe width observed at one metre distance from biprism = %6.4f cm", bita);
+
+// Result
+// The fringe width observed at one metre distance from biprism = 0.0372 cm 
+\ No newline at end of file