- Describe The problem: Ultraviolet Catastrophe
E = h f
E = n h f
H = Planck’s constant = 6.62 x 10-34 Joule – Second
  Quantum   singular
  Quanta       plural
* Â Â Describe the Stephan - BoltzmannLaw P/A = Sigma T4
* Describe Wien's Law Wavelength = A constant/T (K) The color of an object only depends on its temperature
* Â Â Describe the PhotoelectricEffect
* Â Â De Broglie mathematicalexpression for particle waves - Wavelength x Momentum = Planck'sConstant
