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// Scilab Code Ex4.23:: Page-4.35 (2009)
clc; clear;
l = 3; // Length of the tube, dm
theta = 17.0; // Angle of rotation of the plane of polarization, degrees
c = 1.0; // For simplicity assume concentration of solution to be unity, g/cc
l_prime = 2.5; // New length of the tube, dm
c_prime = 1.25*c; // Concentration of solution with 25 cm length of tube, g/cc
theta_prime = theta*l_prime*c_prime/(l*c); // Angle of rotation in a tube of new length
printf("\nThe angle of rotation in a tube of new length of %3.1f cm = %4.1f degrees", l_prime, theta_prime);
// Result
// The angle of rotation in a tube of new length of 2.5 cm = 17.7 degrees
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