Dual Nature of Radiation and Matter Class 12 Notes
Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Notes – PDF Download
The phenomenon of emission of photo electron from the surface of metal, when a light beam of suitable frequency is incident on it, is called photoelectric effect. The emitted electrons are called photo electrons and the current so produced is called photoelectric current. Know More about these in Dual Nature of Radiation and Matter Class 12 Notes.
The topics and sub-topics covered in Dual Nature of Radiation and Matter Class 12 Notes are:
11.1 Introduction
11.2 Electron Emission
11.3 Photoelectric Effect
11.3.1 Hertz’s observations
11.3.2 Hallwachs’ and Lenard’s observations
11.4 Experimental Study of Photoelectric Effect
11.4.1 Effect of intensity of light on photocurrent
11.4.2 Effect of potential on photoelectric current
11.4.3 Effect of frequency of incident radiation on stopping potential
11.5 Photoelectric Effect and Wave Theory of Light
11.6 Einstein’s Photoelectric Equation: Energy Quantum of Radiation
11.7 Particle Nature of Light: The Photon
11.8 Wave Nature of Matter
11.9 Davisson and Germer Experiment.​
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