Dual Nature of Radiation and Matter   class 12 physics textbook solution

The class 12 physics chapter “Dual Nature of Radiation and Matter” covers the following topics:

1. Introduction to the wave-particle duality of matter and radiation
2. Davisson-Germer experiment
3. Einstein’s explanation of photoelectric effect
4. Photoelectric effect and its experimental study
5. Hertz’s observations on the photoelectric effect
6. Photons and their properties
7. Compton effect and its experimental study
8. De Broglie wavelength of matter waves and its significance
9. Davison-Germer experiment for electrons
10. Heisenberg’s uncertainty principle and its mathematical derivation
11. Concept of wave packets and group velocity
12. Electron microscope and its working principle

This chapter is important as it explains the wave-particle duality of matter and radiation, which is a fundamental concept in modern physics. The chapter helps students to understand how particles like electrons and photons can exhibit both wave-like and particle-like behavior. The experiments and concepts covered in this chapter have important applications in fields such as quantum mechanics, solid-state physics, and materials science.