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// Scilab Code Ex8.2:: Page-8.8 (2009)
clc; clear;
E = 0.121; // Energy difference between the two levels, eV
lambda = 12400/E; // Wavelength of the radiation, angstrom
f = 3e+08/(lambda*1e-010); // Frequency of the radiation, Hz
printf("\nThe wavelength of the radiation = %8.1f angstrom", lambda);
printf("\nThe frequency of the radiation = %4.2e Hz", f);
// Result
// The wavelength of the radiation = 102479.3 angstrom
// The frequency of the radiation = 2.93e+13 Hz
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