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// Scilab code Exa3.8 : : Page 125(2011)
clc; clear;
x = 0.25; // Thickness of Al, metre
U_l = 1/x*log(50); // Linear absorption coefficient
d = 2700; // density of the Al, Kg per cubic centimetre
x_h = log(2)/U_l; // Half value thickness of Al, metre
U_m = U_l/d; // Mass absorption coefficient, square metre per Kg
printf("\nThe half value thickness of Al = %6.4f Kg per cubic metre \nThe mass absorption coefficient = %7.5f square metre per Kg ",x_h, U_m);
// Result
// The half value thickness of Al = 0.0443 Kg per cubic metre
// The mass absorption coefficient = 0.00580 square metre per Kg
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