1 files changed, 16 insertions, 0 deletions
diff --git a/3768/CH4/EX4.5/Ex4_5.sce b/3768/CH4/EX4.5/Ex4_5.sce
new file mode 100644
index 000000000..d8e30486c
--- /dev/null
+++ b/3768/CH4/EX4.5/Ex4_5.sce
@@ -0,0 +1,16 @@
+//Example number 4.5, Page number 67
+
+clc;clear;
+close;
+
+//Variable declaration
+a=3;    //lattice spacing(m)
+n=1;   //order
+lamda=0.82*10**-9;    //wavelength(m)
+theta=75.86;    //angle(degree)
+//Calculation
+theta=theta*%pi/180;    //angle(radian)
+d=n*10**10*lamda/(2*sin(theta));    //spacing(angstrom)
+//Result
+printf("spacing is %.2f Angstrom",d)
+//answer in the book is wrong. hence the miller indices given in the book are also wrong.