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// Scilab code Ex1.14: Pg:43 (2008)
clc;clear;
d = 2.82e-008; // Interplanar spacing in sodium chloride crystal, cm
n = 1; // Order of reflection
theta = 10; // Glancing angle, degree
// Since 2*d*sin theta = n*Lambda, solving for Lambda
Lambda = 2*d*sind(theta); // Wavelength of X-rays in Bragg's reflection, cm
printf("\nThe wavelength of X-rays in Bragg reflection = %4.2f angstrom", Lambda/1e-008);
// Result
// The wavelength of X-rays in Bragg reflection = 0.98 angstrom
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