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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+//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.