Optical Density, Light Speed, and the Index of Refraction
https://www.physicsclassroom.com/getattachment/Physics-Video-Tutorial/Refraction-and-Lenses/Optical-Density-n-and-Light-Speed/Lecture-Notes/LessonNotes.pdf?lang=en-US
WebOptical Density, n, and Light Speed. • As the optical density increases, the speed of light decreases. • As the n value increases, the speed of light decreases. • Most dense materials ⇒ Largest n values ⇒ Slowest light speeds. • Least dense materials ⇒ Smallest n values ⇒ Fastest light speeds.
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