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What is meant by critical angle?
Chapter 30, Problem 22RCQ(choose chapter or problem)
QUESTION:
What is meant by “critical angle”?
Questions & Answers
QUESTION:
What is meant by “critical angle”?
ANSWER:Step 1 of 2
Critical angle is the greatest angle at which a ray of light, traveling in one transparent medium, can strike the boundary between that medium and a second of lower refractive index without being totally reflected within the first medium.