diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3669/CH1/EX1.2/2.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3669/CH1/EX1.2/2.sce')
| -rw-r--r-- | 3669/CH1/EX1.2/2.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3669/CH1/EX1.2/2.sce b/3669/CH1/EX1.2/2.sce new file mode 100644 index 000000000..e25b66476 --- /dev/null +++ b/3669/CH1/EX1.2/2.sce @@ -0,0 +1,19 @@ +
+//Variable declaration
+e=1.602*10**-19; //charge of electron(c)
+epsilon0=8.85*10**-12; //permittivity(C/Nm)
+r0=0.314*10**-9; //seperation(m)
+A=1.75; //madelung constant
+n=5.77; //repulsive exponent value
+IE=4.1; //ionisation energy of K(eV)
+Ea=3.6; //electron affinity(eV)
+
+//Calculation
+E=-A*e**2*(1-(1/n))/(4*e*%pi*epsilon0*r0); //energy(eV)
+Ce=E/2; //cohesive energy per atom(eV)
+x=IE-Ea; //energy(eV)
+CE=Ce+(x/2); //total cohesive energy per atom(eV)
+
+//Result
+printf('total cohesive energy per atom is %0.3f eV \n',(CE))
+printf('answer varies due to ing off errors')
\ No newline at end of file |