1 files changed, 11 insertions, 0 deletions
diff --git a/1061/CH2/EX2.9/Ex2_9.sce b/1061/CH2/EX2.9/Ex2_9.sce
new file mode 100755
index 000000000..eedb4942b
--- /dev/null
+++ b/1061/CH2/EX2.9/Ex2_9.sce
@@ -0,0 +1,11 @@
+//Ex:2.9
+clc;
+clear;
+close;
+n1=1.44;// core refractive index
+dl=0.02;
+n_a=n1*sqrt(2*dl);
+n_a=n1*(sqrt(2*dl));// numerical aperture
+x_a=(asin(n_a))*180/%pi;// acceptance angle in degree
+printf("Numerical aperture = %f",n_a);
+printf("\n acceptance angle in degree = %f degree",x_a);
+\ No newline at end of file