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+//variable declaration
+alpha=1.85
+lamda=1.3*10**-6
+a=25*10**-6
+N_a=0.21
+
+//Calculations
+V_n=((2*%pi**2)*a**2*N_a**2)/lamda**2
+N_m=(alpha/(alpha+2))*V_n
+
+printf('No.of modes =%0.3f =155(approx)\n',(N_m))
+printf('Taking the two possible polarizations, Total No.of nodes =%0.3f \n',(N_m*2))