// Exa 4.3 clc; clear; // Given Va = 2500; // Applied voltage(Volts) e = 1.602*10^-19; // Charge of electron(C) m = 9.107*10^-31; // Mass of electron(Kg) // Solution // For Electron beam in the oscilloscope, its velocity is given as- V = sqrt(2*e*Va/m); printf(' The velocity of electron beam of an oscilloscope = %.3f * 10^6 m/sec \n',V/10^6);