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// Scilab Code Ex2.23:: Page-2.19 (2009)
clc; clear;
t = 2.1e-03; // Thickness of the glass sheet, cm
lambda = 5400e-008; // Wavelength of light used, cm
n = 11; // Order of interference fringes
// As path difference, (mu - 1)*t = n*lambda
mu = n*lambda/t + 1; // Refractive index of the glass sheet
printf("\nThe refractive index of the glass sheet = %4.2f", mu);
// Result
// The refractive index of the glass sheet= 1.28
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