Total Internal Reflection & Phenomenas - PDF
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Uploaded by Kishore
Father Michael McGivney Catholic Academy
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Summary
This document covers Total Internal Reflection. It explains the concept, conditions for its occurrence, and examples like diamonds and fiber optics. It also touches on related phenomena like mirages and shimmering.
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Total Internal Reflection CHAPTER 12.5 Review: 1. Light bends towards the normal when light enters a medium with a higher index of refraction 2. Light bends away from the normal when light enters a medium with a lower index of refraction Review: 2nd Case: Light bends away from normal The angle of...
Total Internal Reflection CHAPTER 12.5 Review: 1. Light bends towards the normal when light enters a medium with a higher index of refraction 2. Light bends away from the normal when light enters a medium with a lower index of refraction Review: 2nd Case: Light bends away from normal The angle of refraction (R) is always larger than the angle of incidence ( i) R continues to increase as i increases when R = 90o, i is defined as the critical angle if you increase the angle of incidence past the critical angle, the refracted ray will no longer exit the medium Instead, the refracted ray reflects back into the medium This phenomenon is called total internal reflection When does Total Internal Reflection Occur? 2 Conditions have to be met! 1) Light is travelling slower in the 1st medium than in the 2nd - speeds up as it enters 2nd medium – Faster Away 2) The angle of incidence (
