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// Scilab Code Ex1.10: Page-1.8 (2009)
clc; clear;
m = 1.67e-027; // Mass of the proton, kg
c = 3e+08; // Speed of light, m/s
v = 1/20*c; // Velocity of the proton, m/s
h = 6.626e-034; // Planck's constant, Js
lambda = h/(m*v); // de Broglie wavelength of the neutron, m
printf("\nThe de Broglie wavelength associated with moving proton = %5.3e m", lambda);
// Result
// The de Broglie wavelength associated with moving proton = 2.645e-14 m
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