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Diffstat (limited to '2795/CH5/EX5.4/Ex5_04.sce')
| -rwxr-xr-x | 2795/CH5/EX5.4/Ex5_04.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/2795/CH5/EX5.4/Ex5_04.sce b/2795/CH5/EX5.4/Ex5_04.sce new file mode 100755 index 000000000..4b7e72d65 --- /dev/null +++ b/2795/CH5/EX5.4/Ex5_04.sce @@ -0,0 +1,16 @@ +// Scilab Code Ex5.4 : Page-174 (2013)
+clc; clear;
+h = 6.63e-34; // Planck's constant, Js
+c = 3e+008; // Speed of light, m/s
+e = 1.6e-19; // Energy equivalent of 1 eV, J/eV
+m = 1.67e-27; // Mass of a neutron, kg
+k = 1.38e-23; // Boltzmann constant, J/mol/K
+T = [300 77]; // Temperatures, K
+lambda = h*c/(sqrt(3*m*c^2/e*k/e*T(1))*e); // The wavelength of the neutron at 300 K, nm
+printf("\nThe wavelength of the neutron at %d K = %5.3f nm", T(1), lambda/1e-09);
+lambda = h*c/(sqrt(3*m*c^2/e*k/e*T(2))*e); // The wavelength of the neutron at 77 K, nm
+printf("\nThe wavelength of the neutron at %d K = %5.3f nm", T(2), lambda/1e-09);
+
+// Result
+// The wavelength of the neutron at 300 K = 0.146 nm
+// The wavelength of the neutron at 77 K = 0.287 nm
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