Question

Draw and explain Davisson and Germer experiment to determine the wave nature of electrons.

Answer 1

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Answer 2

$\huge{\mathfrak{Question:-}$

Draw and explain Davisson and Germer experiment to determine the wave nature of electrons.

$\huge{\mathfrak{Answer:-}$

✿ The wave nature of the material particles as predicted by de Broglie was confirmed by Davisson and Germer is 1927.

✿ Experiment:- Experiment arrangement used by Davisson and Germer. Electrons from hot tungsten cathode are accelerated by a potential difference V between the cathode (C) and anode (A).

A narrow hole in the anode renders the electron into a fine beam of electrons and allows them to strike the nickel crystal.

The electron are scattered in all directions by the atom in the crystal and its intensity in a given direction is found by the use of a detector.

The graph is plotted between angle Ф and intensity of scattered beam.

The experimental curves obtained by Davisson and Germer are shown in the picture attached in attachment.