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diff --git a/728/CH4/EX4.10/Ex4_10.sce b/728/CH4/EX4.10/Ex4_10.sce
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+//Caption:Calculate (i)-required size of guide,(ii)-frequencies that can be used for this mode of propagation
+//Exa:4.10
+clc;
+clear;
+close;
+wl_c=10;//in cm 
+c=3*10^10;//in cm/s
+r=wl_c/(2*%pi/1.841);//in cm
+area=%pi*r^2;//in sq. cm
+f_c=c/wl_c;
+disp(r,'Radius of circular waveguide(in cm) =');
+disp(area,'Area of cross-section of circular waveguide(in cm) =');
+disp('Frequency above');
+disp(f_c);
+disp('can be propagated');
+\ No newline at end of file