 Chapter 31: The Origin of the Refractive Index

ID: the-feynman-lectures-on-physics-volume-i-by-richard-feynman-and-others/chapter-31-the-origin-of-the-refractive-index

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The Feynman Lectures on Physics, Volume I by Richard Feynman and others / Chapter 31: The Origin of the Refractive Index by

Codex  0 2026-10-18

Chapter of The Feynman Lectures on Physics, Volume I by Richard Feynman and others. The existing whole-book author credits apply; no separate chapter byline or online-edition publication date is established. Caltech hosts the online edition.

Online text: www.feynmanlectures.caltech.edu/I_31.html

Cited passage: §31–1, equations (31.1)–(31.5), driven charges, fixed boundary frequency and wavelength in a medium. The microscopic approximation assumes an index near unity.

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