2 files changed, 16 insertions, 0 deletions
diff --git a/3411/CH5/EX5.8/Ex5_8.sce b/3411/CH5/EX5.8/Ex5_8.sce
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index 000000000..c6c61b8da
--- /dev/null
+++ b/3411/CH5/EX5.8/Ex5_8.sce
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+//Example 5_8
+clc();
+clear;
+//To calculate the Bragg angle and the wavelength of X-rays
+//Given plane indices are (1,1,1)
+theta=87      //units in degrees
+theta=theta/2    //units in degrees
+a=0.2      //units in nm
+h=1
+k=1
+l=1
+d=a/sqrt(h^2+k^2+l^2)        //units in nm
+lamda=2*d*sin(theta*(%pi/180))          //units in nm
+printf("Bragg angle theta=%.1fdegrees \n wavelength lamda=%.3fnm",theta,lamda)
diff --git a/3411/CH5/EX5.8/Ex5_8.txt b/3411/CH5/EX5.8/Ex5_8.txt
new file mode 100644
index 000000000..529d164f5
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+++ b/3411/CH5/EX5.8/Ex5_8.txt
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+ Bragg angle theta=43.5degrees 
+ wavelength lamda=0.159nm 
+\ No newline at end of file