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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2309/CH5/EX5.3 | |
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Diffstat (limited to '2309/CH5/EX5.3')
| -rwxr-xr-x | 2309/CH5/EX5.3/Ex5_3.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/2309/CH5/EX5.3/Ex5_3.sce b/2309/CH5/EX5.3/Ex5_3.sce new file mode 100755 index 000000000..881fa4018 --- /dev/null +++ b/2309/CH5/EX5.3/Ex5_3.sce @@ -0,0 +1,26 @@ +// Chapter 5 Example 3
+//==============================================================================
+clc;
+clear;
+
+//input data
+//α-Iron solidifies to BCC structure
+
+r = 1.273; // Atomic radius in angstrom
+N = 6.023*10^26; // Avagadros number in atoms/kilomole
+A = 55.85; // Atomic weight of α-Iron in kilograms
+n = 2; // No. of atoms per unit cell for BCC
+p = 7860; // density in kg/m^-3
+
+//Calculations
+
+// p = (n*A)/(N*a^3); density
+
+a = ((n*A)/(N*p))^(1/3); // lattice constant
+a1 = a*10^10; // m to angstrom conversion
+r = (a1*sqrt(3))/4 // atomic radius for BCC
+
+//Output
+mprintf('The Radius of the atom = %3.5f Å\n',r);
+mprintf(' Note : atomic wt taken as 55.58*10^-3 instead of 55.85 in calculation')
+//==============================================================================
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