Physics for Information Science: Unit I: Electrical Properties of Materials

Failures of Classical Free Electron Theory

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Failures of classical free electron theory is a macroscopic theory.Classical theory states that all free electrons will absorb energy, but quantum theory states that only few electrons will absorb energy.

FAILURES OF CLASSICAL FREE ELECTRON THEORY

(i) It is a macroscopic theory

(ii) Classical theory states that all free electrons will absorb energy, but quantum theory states that only few electrons will absorb energy.

(iii) This theory cannot explain the Compton, photo-electric effect,

paramagnetism, ferromagnetism, etc.

(iv) The theoretical and experimental values of specific heat and electronic specific heat is not matched.

(v) By classical theoryconstantfor all temperatures but by Quantum theoryconstant for all temperatures.

(vi) The Lorentz number by classical theory does not have good agreement with the experimental value and is rectified by quantum theory.

Physics for Information Science: Unit I: Electrical Properties of Materials : Tag: : - Failures of Classical Free Electron Theory

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Physics for Information Science: Unit I: Electrical Properties of Materials

Introduction of Electrical Properties of Materials

Electron Theory of Metals

Classical Free Electron Theory of Metals

Conduction in Metals-Mobility and Conductivity

Expression for Electrical Conductivity - Definition, Unit, Formula

Thermal Conductivity - Definition, Unit, Formula

Expression for Thermal Conductivity - Formula, Unit, Equation

Wiedemann - Franz Law and Lorentz Number - Value, Theory, Law, Proof, Formula

Differences Between Electrical and Thermal Conductivity

Similarities Between Electrical and Thermal Conductivity of Metals

Success of Classical Free Electron Theory of Metals

Failures of Classical Free Electron Theory

Quantum Theory of Electrons in Metals

Particle in a Three Dimensional Potential Box - Electrical Properties of Materials

Degeneracy and Non-Degeneracy - Definition, Example | Electrical Properties of Materials

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