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// Scilab Code Ex1.24: : Page-1.31 (2009)
clc; clear;
h = 6.6e-034; // Planck's constant, Js
h_cross = h/(2*%pi); // Reduced Planck's constant, Js
delta_t = 1e-010; // Uncertainty in time, s
// From Energy-time uncertainty,
// delta_E*delta_t = h_cross/2, solving for delta_E
delta_E = h_cross/(2*delta_t); // Uncertainty in energy of an emitted photon, J
printf("\nThe uncertainty in energy of an emitted photon = %5.3e eV", delta_E/1.6e-019);
// Result
// The uncertainty in energy of an emitted photon = 3.283e-06 eV
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