The discussion revolves around the refraction of light, specifically why violet light, which has the shortest wavelength, is refracted the most compared to red light, which has the longest wavelength. The subject area includes optics and the properties of light in different media.
Some participants have provided partial explanations regarding the speed of light and its dependence on wavelength, while others seek clarification on advanced concepts related to Maxwell's equations. There is an ongoing exploration of the topic without a definitive consensus.
Participants reference specific texts, such as Griffiths' work, indicating a level of complexity in the discussion. The mention of advanced concepts suggests that the discussion may be constrained by the participants' varying levels of familiarity with the material.
The wedge of water bends each different wavelength by a slightly different amount. Red has the longest wavelength and is bent the least. Violet has the shortest and is bent the most.
Awesome, is that David J. Griffith's Introduction to Electrodynamics by any chance?PeroK said:I can give you a partial answer. The speed of light in a medium depends on the dielectric properties of medium and the wavelength of the light. The red light travels faster in the medium than the violet light, so has a lower index of refraction.
For a fuller explanation of how the wavelength and dielectric properties determine the refractive index, I would have to consult Griffiths when I get home!
Yes. As I suspected, it's quite advanced (chapter 9) and entails satisfying Maxwell's equations for a light wave obliquely incident on the boundary between two mediums. The speed in the medium and angle of refraction depend on the wavelength.plaguedbyfoibles said:Awesome, is that David J. Griffith's Introduction to Electrodynamics by any chance?