2 files changed, 11 insertions, 0 deletions
diff --git a/2243/CH5/EX5.5/Ex5_5.sce b/2243/CH5/EX5.5/Ex5_5.sce
new file mode 100755
index 000000000..6ac01d19a
--- /dev/null
+++ b/2243/CH5/EX5.5/Ex5_5.sce
@@ -0,0 +1,10 @@
+clc();
+clear;
+//Given:
+r = 90; // in degrees
+mu_o= 1.658 ;// Refractive index for ordinary array
+mu =1.55; // Refractive index for a canada balsam material
+//Snell's Law,mu1*sin(i) = mu2*sin(r), we have :
+i = asind((mu*sind(90))/mu_o); // angle in degrees
+printf("Critical angle =  %d degrees",i);
+
diff --git a/2243/CH5/EX5.5/Res5_5.txt b/2243/CH5/EX5.5/Res5_5.txt
new file mode 100755
index 000000000..0ef142526
--- /dev/null
+++ b/2243/CH5/EX5.5/Res5_5.txt
@@ -0,0 +1 @@
+ Critical angle =  69 degrees 
+\ No newline at end of file