Foundations of Quantum Theory

Foundations of Quantum Theory - Foundations of Quantum...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Foundations of Quantum Theory Ch 301 B. A. Rowland September 3, 2008
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
A Brief Review There are several experiments which purport to show light as both wave (Young’s Diffraction Experiment) and as a particle (Photoelectric Effect). There are several experiments which purport to show electrons (matter) as both particulate (J. J. Thomson) and wave-like (Davisson-Germer) in nature. We know the nucleus of an atom is concentrated in a very tiny region of space (Gold Foil), and that the electrons adopt some shell type structure (Bohr). We learned about the different types of EMR and the effects each has on matter. We learned what the terms frequency and wavelength mean.
Background image of page 2
Blackbody Radiation Max Planck (1890s). He writes that since matter is exchanged in discrete “chunks” (think atoms) so should EMR! These discrete chunks are called 'quantum' (singular) or 'quanta' (plural). Maximum wavelength for each temperature. Intensity also follows Wein's Law. Note the UV Catastrophe predicted by Newton's physics—means you have X-rays coming from your fireplace in winter!
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Equations for Blackbody Radiation You can relate the temperature of an object to the wavelength of peak intensity through the following equation (Wein’s Law): The constant W = 2.898 x 10
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/15/2008 for the course CH 301 taught by Professor Fakhreddine/lyon during the Spring '07 term at University of Texas.

Page1 / 11

Foundations of Quantum Theory - Foundations of Quantum...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online