Dual Nature of Radiation and Matter

Topic Tree – STD 12 – CBSE

1. Electron emission
2. Photoelectric effect
   1. Hertz’s observations
   2. Hallwachs’ and Lenard’s observations
3. Experimental study of photoelectric effect
   1. Effect of intensity of light on photocurrent
   2. Effect of potential on photoelectric current
   3. Effect of frequency of incident radiation on stopping potential
4. Photoelectric effect and wave theory of light
5. Einstein’s photoelectric equation – energy quantum of radiation
6. Particle nature of light: the photon
7. Wave nature of matter
8. Davisson and Germer experiment