1 files changed, 28 insertions, 0 deletions
diff --git a/3755/CH3/EX3.11/Ex3_11.sce b/3755/CH3/EX3.11/Ex3_11.sce
new file mode 100644
index 000000000..2fd599960
--- /dev/null
+++ b/3755/CH3/EX3.11/Ex3_11.sce
@@ -0,0 +1,28 @@
+clear
+//
+//
+//
+
+//Variable declaration
+lamda=0.586*10^-10;      //wavelength(m)
+theta1=5+(58/60);   //glancing angle(degree)
+theta2=12+(10/60);   //glancing angle(degree)
+theta3=18+(12/60);   //glancing angle(degree)
+
+//Calculation
+theta1=theta1*%pi/180;    //angle(radian)
+theta2=theta2*%pi/180;    //angle(radian)
+theta3=theta3*%pi/180;    //angle(radian)
+x1=sin(theta1);
+x2=sin(theta2);
+x3=sin(theta3);
+d1=lamda/(2*sin(theta1));     //spacing for 1st order(m)
+d2=2*lamda/(2*sin(theta2));     //spacing for 2nd order(m)
+d3=3*lamda/(2*sin(theta3));     //spacing for 3rd order(m)
+d=(d1+d2+d3)/3;      //spacing(m)
+
+//Result
+printf("\n ratio of angles of incidence are %0.3f : %0.4f : %0.4f which is nothing but %0.1f : %0.1f : %0.1f ",x1,x2,x3,x1,x2,x3)
+printf("\n angles of incidence should be 1st, 2nd and 3rd orders")
+printf("\n spacing is %0.3f *10^-10 m",d*10^10)
+printf("\n answer varies due to rounding off errors")