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+// Example 2.5
+//computation of the energy in jules of the impinging electron after the collision//
+// Page no. 49
+
+clc;
+clear;
+close;
+
+//Given data
+e=1.602*10^-19;
+
+
+//Calculation for the Kinetic energy E1 gained by the electron//
+E1=10*e;
+
+//Calculation for the Kinetic energy E2 needed to be transferred fom the bombarded electron to the atom//
+E2=3.07*e;//(7.73eV-4.66eV)=3.07eV
+
+//Calculation for the Kinetic energy E of the electron after the collision//
+E=E1-E2;
+
+
+//Displaying the result in command window
+printf('\n Kinetic energy E1 gained by the electron = %0.2f x 10^-19 J',E1*10^19);
+printf('\n \n Kinetic energy E2 needed to be transferred fom the bombarded electron to the atom = %0.2f x 10^-19 J',E2*10^19);
+printf('\n \n Kinetic energy E of the electron after the collision = %0.2f x 10^-19 J',E*10^19);
+
+
+
+
+