1 files changed, 29 insertions, 0 deletions
diff --git a/728/CH4/EX4.12/Ex4_11.sce b/728/CH4/EX4.12/Ex4_11.sce
new file mode 100755
index 000000000..1f3099ebe
--- /dev/null
+++ b/728/CH4/EX4.12/Ex4_11.sce
@@ -0,0 +1,29 @@
+//Caption:Find all modes that can propagate at 5000MHz.
+//Exa:4_11
+clc;
+clear;
+close;
+a=4;//in cm
+b=3;//in cm 
+f=5*10^9;//in Hz
+c=3*10^10;//in cm/s
+wl_o=c/f;
+//For TE waves:
+wl_c_TE01=2*b;//for TE01
+wl_c_TE10=2*a;//for TE10
+wl_c_TE11=2*a*b/sqrt(a^2+b^2);//for TE11
+if(wl_c_TE01>wl_o)
+    disp('TE01 can propagate');
+else
+    disp('TE01 cannot propagate');
+end
+if(wl_c_TE10>wl_o)
+    disp('TE10 can propagate');
+else
+    disp('TE10 cannot propagate');
+end
+if(wl_c_TE11>wl_o)
+    disp('TE11 can propagate');
+else
+    disp('TE11 cannot propagate');
+end
+\ No newline at end of file