1 files changed, 18 insertions, 0 deletions
diff --git a/3665/CH13/EX13.5/Ex13_5.sce b/3665/CH13/EX13.5/Ex13_5.sce
new file mode 100644
index 000000000..df365d6e2
--- /dev/null
+++ b/3665/CH13/EX13.5/Ex13_5.sce
@@ -0,0 +1,18 @@
+clc//
+//
+//
+
+//Variable declaration
+n1=1.48;     //refractive index of core
+n2=1.45;     //refractive index of cladding
+
+//Calculation
+NA=sqrt(n1^2-n2^2);    //numerical aperture
+alpha_i=asin(NA);      //angle of acceptance(radian)
+alpha_i=(alpha_i*180/%pi);    //angle(degrees)
+alpha_id=int(alpha_i);
+alpha_im=60*(alpha_i-alpha_id);
+
+//Result
+printf("\n numerical aperture is %0.4f ",NA)
+printf("\n angle of acceptance is %0.3f degrees %0.0f minutes",alpha_id,alpha_im)