1 files changed, 26 insertions, 0 deletions
diff --git a/3869/CH6/EX6.16/Ex6_16.sce b/3869/CH6/EX6.16/Ex6_16.sce
new file mode 100644
index 000000000..39f25ebdb
--- /dev/null
+++ b/3869/CH6/EX6.16/Ex6_16.sce
@@ -0,0 +1,26 @@
+clear
+//
+//
+//
+
+//Variable declaration
+a=5.63*10**-10          //lattice constant(m)
+h=1
+k=1
+l=1                     //miller indices
+theta=27.5*%pi/180    //glancing angle(radian)
+n=1                     //order
+h=6.625*10**-34         //planck's constant
+c=3*10**10              //velocity of light(m/sec)
+e=1.6*10**-19           //charge of electron(c)
+
+//Calculation
+d111=a/sqrt(h**2+k**2+l**2)      
+lamda=2*d111*sin(theta)/n      //wavelength of X-ray beam(m) 
+lamda=int(lamda*10**10)             //wavelength of X-ray beam(angstrom) 
+E=h*c/(lamda*10**-10*e)         //energy of X-ray beam(eV)    
+
+//Result
+printf("\n wavelength of X-ray beam is %0.3f  angstrom",lamda)
+printf("\n energy of X-ray beam is %0.2f  *10**5 eV",E/10**5)
+printf("\n answer for energy given in the book is wrong")