Instructional Video

Total Internal Reflection

Curated and Reviewed by Lesson Planet

Demonstrate fiber optics and specifically how total internal reflection works. It covers the relationship between the angle of incidence and the critical angle, refraction, and the role of density. It concludes with other applications such as broadband and keyhole surgery. 

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Additional Tags
Instructional Ideas
  • Bring in optical fiber for students to see
Classroom Considerations
  • Remember YouTube comments are open to the public
  • Requires prior knowledge of density and solving equations with sine
  • Video is the 42nd in a series of 49
  • This video is hosted on YouTube
Pros
  • Includes closed captioning and a full written script, which is great for those who need to reference it
  • Highlights diagrams throughout
Cons
  • None