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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+// Ex7_13 Page:141 (2014)
+clc;clear;
+Z = 11; // Atomic number of sodium
+h = 6.626e-034; // Planck's constant, Js
+e = 1.6e-019; // Energy conversion factor, J/eV
+c = 3e+08; // Speed of light in vacuum, m/s
+R_inf = 1.097e+07; // Rydberg constant, per metre
+E_K_alpha = (3*h*c*R_inf*(Z - 1)^2)/(4*e*1e+03); // The energy of the K_alpha X-ray of sodium, keV
+printf("\nThe energy of the K_alpha X-ray of sodium = %4.2f keV", E_K_alpha);
+
+// Result
+// The energy of the K_alpha X-ray of sodium = 1.02 keV \ No newline at end of file