tron be accelerated with a y may be given as charge on the particle lomb On vii we get vii with the help of de Broglie concept of wave nature of electron Consider an electron moving in a circular orbit around nucleus The wave train would be associated with the circular orbit as shown in Fig 2 23 If the two ends of the electron wave meet to give a regular series of crests and troughs the electron wave is said to be in phase i e the circumference of Bohrs orbit is equal to whole number multiple of the wavelength of the electron wave So 7 28 10 10 m or 10 39 m be measured as it waves but the Thus mation the following is its de Broglie ller is its de Broglie s independent of the sendent of charge From de Broglie equation or cable to microscopic en partiell molecule etc and has e wavelength is too which is difficult to oving electron and a travelling with the i e 2tr n N h mu 2tr 11 Wave in phase Z h mur n MU 2tr n Angular momentum n h 2 v velocity of electron and r radii of the orbit h 2 t 9 N Wave out of phase experiment confirm that When an zinc s with produced scintillation striking like a the our 2 21 Evidence to Support Particle and Wave Nature of Electron ii w was prove a D subjected filament the elect nickel ca Fig 2 23 This proves that the de Broglie and Bohr concepts are in perfect agreement with each other Note The calculations show that the velocity of de Broglie waves associated with a moving particle is greater than the velocity with which the particle moves Therefore it was difficult to understand as to how the de Broglie waves are associated with a particle A plausible solution to this problem is that a moving particle is associated with a wave packet rather than a wave Sou alec