1 files changed, 20 insertions, 0 deletions
diff --git a/3669/CH11/EX11.11/11.sce b/3669/CH11/EX11.11/11.sce
new file mode 100644
index 000000000..39b5879f9
--- /dev/null
+++ b/3669/CH11/EX11.11/11.sce
@@ -0,0 +1,20 @@
+
+//Variable declaration
+n1=1.50;      //refractive index of core
+delta=4/100;    //fractional refractive indices change
+
+//Calculation
+n2=n1-(n1*delta);      //refractive index of cladding
+NA=sqrt((n1**2)-(n2**2));     //numerical aperture
+theta0=asin(NA);     //acceptance angle(radian)
+theta0=theta0*180/%pi;    //acceptance angle(degrees)
+theta0_m=60*(theta0-int(theta0));
+thetac=asin(n2/n1);     //critical angle(radian)
+thetac=thetac*180/%pi;    //critical angle(degrees)
+thetac_m=60*(thetac-int(thetac));
+
+//Result
+printf('refractive index of cladding is %0.3f     \n',n2)
+printf('numerical aperture is %0.3f     \n',(NA))
+printf('acceptance angle is %0.3f  degrees %0.3f  minutes  \n',int(theta0),int(theta0_m))
+printf('critical angle is %0.3f    degrees %0.3f  minutes\n',int(thetac),int(thetac_m))
+\ No newline at end of file