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+// Scilab Code Ex4.4:: Page-4.6 (2009)

+clc; clear;

+ip = 60;     // Polarizing angle, degrees

+A = 60;     // Angle of equilateral prism, degrees

+mu = tand(ip);  // Refractive index of the material from Brewster's law 

+// For angle of minimum deviation in prism, delta_m, refractive index

+// mu = sind((A+delta_m)/2)/sind(A/2), solving for delta_m

+delta_m = 2*asind(mu*sind(A/2))-A;      // Angle of minimum deviation, degrees

+

+printf("\nThe angle of minimum deviation for green light = %2d degrees", ceil(delta_m));

+

+// Result 

+// The angle of minimum deviation for green light = 60 degrees