1 files changed, 24 insertions, 0 deletions
diff --git a/3651/CH2/EX2.13/Ex2_13.sce b/3651/CH2/EX2.13/Ex2_13.sce
new file mode 100644
index 000000000..aefdc3193
--- /dev/null
+++ b/3651/CH2/EX2.13/Ex2_13.sce
@@ -0,0 +1,24 @@
+
+//Variable declaration
+n=4
+A=107.87
+rho=10500
+N=6.02*10**26
+h=1;
+k=1;
+l=1;
+H=6.625*10**-34
+e=1.6*10**-19
+theta=(19+(12/60))*%pi/180
+C=3*10**8
+//Calculations
+a=((n*A)/(rho*N))**(1/3)*10**10
+d=a/sqrt(h**2+k**2+l**2)
+lamda=2*d*sin(theta)
+E=(H*C)/(lamda*10**-10*e)
+
+//Result
+printf('a =%0.3f Angstroms \n',(a))
+printf('d =%0.3f Angstroms\n',(d))
+printf('lamda =%0.3f Angstroms\n',(lamda))
+printf('E =%0.3f *10**3 eV\n',(E/10**3))