1 files changed, 22 insertions, 0 deletions
diff --git a/3669/CH3/EX3.9/9.sce b/3669/CH3/EX3.9/9.sce
new file mode 100644
index 000000000..c2bdc7afb
--- /dev/null
+++ b/3669/CH3/EX3.9/9.sce
@@ -0,0 +1,22 @@
+
+//Variable declaration
+lamda=0.065;    //wavelength(nm)
+a=0.26;      //edge length(nm)
+h=1;
+k=1;
+l=0;
+n=2;
+
+//Calculation
+d=a/sqrt(h**2+k**2+l**2);      
+x=n*lamda/(2*d);     
+theta=asin(x);        //glancing angle(radian)
+theta=theta*180/%pi;    //glancing angle(degrees)
+theta_d=int(theta);       
+theta_m=(theta-theta_d)*60;
+theta_s=(theta_m-int(theta_m))*60;
+
+//Result
+
+printf('glancing angle is %2d degrees %2d minutes %2d seconds',theta_d,int(theta_m),int(theta_s))
+printf('answer varies due to approximating off errors')
+\ No newline at end of file