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Ernst Pringsheim
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Classroom Contents
What is the Ultraviolet Catastrophe?
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- 1 Intro
- 2 How do hot objects emit light?
- 3 What is a blackbody?
- 4 Blackbody Absorption
- 5 The Jeans Cube
- 6 Ernst Pringsheim
- 7 Experimental Results
- 8 What were the known laws of physics?
- 9 Describing Waves
- 10 Adding Waves
- 11 Stationary Waves inside the cube
- 12 Applying the boundary conditions
- 13 What is the frequency density?
- 14 What are the allowed frequencies in 3d?
- 15 What is the density of states?
- 16 The equipartition of energy
- 17 So, how does this work for waves?
- 18 The Boltzmann Distribution
- 19 Putting it all together
- 20 In terms of wavelength...
- 21 What does this look like?
- 22 Enter Planck...
- 23 Energy is quantized...
- 24 What does this mean?
- 25 Comparing with experiment
- 26 The birth of quantum physics
- 27 Reflections
