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diff --git a/2411/CH3/EX3.c.202/Ex3c_2.sce b/2411/CH3/EX3.c.202/Ex3c_2.sce
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+++ b/2411/CH3/EX3.c.202/Ex3c_2.sce
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+// Scilab Code Ex3c.2: Page-184 (2008)
+clc; clear;
+I2 = 1;    // Assume intensity of light beam from the second source to be unity
+I1 = 81*I2;    // Intensity of light beam from the first source
+a = sqrt(I1);    // Width of the first slit, mm
+b = sqrt(I2);    // Width of the second slit, mm
+I_max = (1+a/b)^2;    // Maximum intensity in the fringe pattern
+I_min = (1-a/b)^2;    // Minimum intensity in the fringe pattern
+fact = gcd([I_max,I_min]); // Find l.c.m. of I_max and I_min
+printf("\nThe ratio of maximum to minimum intensity in the fringe system, I_max:I_min = %d:%d", I_max/4, I_min/4);
+
+// Result
+// The ratio of maximum to minimum intensity in the fringe system, I_max:I_min = 25:16 
+\ No newline at end of file