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// Scilab Code Ex4.9:: Page-4.9 (2009)
clc; clear;
theta = 30; // Angle which the plane of vibration makes with the incident beam, degrees
// As intensity of ordinary and extraordinary ray are
// E_E = A^2*cosd(theta)^2 and E_O = A^2*sind(theta)^2, solving for E_E/E_O
EE_ratio_EO = cotd(30)^2; // Ratio of ordinary and extraordinary ray intensities
printf("\nThe ratio of ordinary to extraordinary ray intensities = %d", EE_ratio_EO);
// Result
// The ratio of ordinary to extraordinary ray intensities = 3
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