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+// Scilab Code Ex2.14:: Page-2.13 (2009)
+clc; clear;
+b = 0.187; // Fringe width of the interfernce pattern due to biprism, cm
+y1 = 1; // For simplicity assume distance between slit and biprism to be unity, cm
+y1_prime = 1.25*y1; // New distance between slit and biprism, cm
+// As d is directly proportional to y1 and b is directly proportional to d, so
+// b is inversely proportional to y1
+b_prime = b*y1/y1_prime; // New fringe width of the interfernce pattern due to biprism, cm
+
+printf("\nThe new value of fringe width due to increased slit-biprism separation = %5.3f cm", b_prime);
+
+// Result
+// The new value of fringe width due to increased slit-biprism separation = 0.150 cm