From classical to modern physics – Energy quantization and photons; black body radiation; photoelectric effect; X ray spectra and Bremsstrahlung; Compton effect
5. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Radiative heat transfer & Stewart's Law
6. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Black Body Radiation
https://demonstrations.wolfram.com/BlackbodyRadiation/
b ≈ 2898 μm⋅K
7. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Black body radiation
sun!
Un corpo nero è un oggetto ideale che assorbe tutta la radiazione elettromagnetica incidente senza rifletterla
An approximate realization of
a black body as a tiny hole in
an insulated enclosure
8. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Black body radiation
The intensity and distribution (and peak) of the radiation
depends only on its temperature.
9. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Blackbody Radiation: the Laws of Stefan, Wien, and Planck!
10. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Blackbody Radiation: the Laws of Stefan, Wien, and Planck!
11. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Blackbody Radiation: the Laws of Stefan, Wien, and Planck!
12. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Blackbody Radiation: the Laws of Stefan, Wien, and Planck!
14. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Stellar Classification: Types Of Stars!
19. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Demonstration of The Photoelectric Effect!
20. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Demonstration of The Photoelectric Effect!
23. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Production of X-Rays using Roentgen Method
24. giuseppe.maruccio@unisalento.it
Structure of matter Crisis of Classical Physics
└ Black body radiation └ Photoelectric effect └ X Ray & Bremsstrahlung └ Compton effect
Production of X-Rays using Roentgen Method