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+
+// Ex4_14
+clc;
+
+// Given:
+E0=1.7;// in MeV
+// Solution:
+// For E0<2.5 MeV; using Katz and Penfold empirical equation we have
+R1=412*((E0)^(1.265-0.0954*log(E0)));// mg/cm^2
+// Using feather's relation we have
+R2=530*E0-106;// mg/cm^2
+
+printf("The range in Al for beta radiation is %f mg/cm^2 using Katz and Penfold empirical equation and %f mg/cm^2 using feathers relation.",R1,R2)
+