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. 

Concepts

reflections, refraction, optics, angle of incidence

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Additional Tags

science

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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