TN State Board Topic Tree
1. Introduction to Dual Nature of Radiation and Matter
– Overview of the dual behavior of electromagnetic radiation and matter.
2. Electron Emission
– Process and types (thermionic, photoelectric, field emission).
3. Photoelectric Effect
– Hertz, Hallwachs, and Lenard’s observations.
– Effect of intensity, potential difference, and frequency on photoelectric current.
– Laws of the photoelectric effect.
– Einstein’s explanation (particle nature of light).
4. Matter Waves
– Introduction to wave nature of particles.
– De Broglie’s wavelength.
– Davisson-Germer experiment and its significance.
– Applications (e.g., electron microscopes).
5. X-Rays
– Properties, production, and applications.
6. Concepts and Examples
– Quantization of energy.
– Numerical problems with stepwise solutions.
Threshold frequency
de Broglie equation