1 files changed, 20 insertions, 0 deletions
diff --git a/1061/CH2/EX2.7/Ex2_7.sce b/1061/CH2/EX2.7/Ex2_7.sce
new file mode 100755
index 000000000..e348d2934
--- /dev/null
+++ b/1061/CH2/EX2.7/Ex2_7.sce
@@ -0,0 +1,20 @@
+//Ex:2.7
+clc;
+clear;
+close;
+n2=1.59;// cladding refractive index
+n_a=0.2;// numerical aperture
+n1=sqrt(n2^2+n_a^2);// core refractive index
+n_1=1.60;// core refractive index
+n_o=1.33;
+A=(sqrt(n_1^2-n2^2))/n_o;
+x_a=(asin(A))*180/%pi;// acceptance angle in degree
+x_c=(asin(n2/n1))*180/%pi;// critical angle in degree
+y=1300*10^(-9);// in meter
+a=25*10^(-6);// in meter
+v=(2*%pi*a*n_a)/y;
+V=floor(v);
+M=V^2/2;// number of modes transmitted
+printf("acceptance angle in degree = %f degree",x_a);
+printf("\n critical angle in degree = %f degree",x_c);
+printf("\n number of modes transmitted = %d",M);
+\ No newline at end of file