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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3717/CH8/EX8.2/Ex8_2.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3717/CH8/EX8.2/Ex8_2.sce')
| -rw-r--r-- | 3717/CH8/EX8.2/Ex8_2.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3717/CH8/EX8.2/Ex8_2.sce b/3717/CH8/EX8.2/Ex8_2.sce new file mode 100644 index 000000000..dea527ffb --- /dev/null +++ b/3717/CH8/EX8.2/Ex8_2.sce @@ -0,0 +1,19 @@ +// Ex8_2 Page:164 (2014)
+clc;clear;
+h = 6.626e-034; // Planck's constant, Js
+m = 9.1e-031; // Mass of an electron, kg
+e = 1.6e-019; // Energy conversion factor, J/eV
+rho = 10.5; // Density of silver, g/cc
+M = 108; // Atomic weight of silver, g/mol
+N_A = 6.02e+023 // Avogadro's number, atoms/mol
+n = rho*N_A/(M*1e-06); // Number density of conduction electrons, per/metre-cube
+E_F = h^2/(8*m*e)*(3/%pi*n)^(2/3); // Fermi energy, eV
+E_bar = 3/5*E_F; // Mean energy of electron at 0 K, eV
+printf("\nThe number density of conduction electrons = %4.2e per metre-cube", n);
+printf("\nThe Fermi energy for silver = %4.2f eV", E_F);
+printf("\nThe mean energy of the electron at 0 K = %4.2f eV", E_bar);
+
+// Result
+// The number density of conduction electrons = 5.85e+028 per metre-cube
+// The Fermi energy for silver = 5.51 eV
+// The mean energy of the electron at 0 K = 3.31 eV
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