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1. What is total internal reflection and why is it important in optical fibers? What is...

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Physics

1. What is total internal reflection and why is it important inoptical fibers? What is the critical angle?

2. Does a diverging lens have a focus point?

3. What type of lens, diverging or converging, would you use fora magnifying glass? Explain.

Answer & Explanation Solved by verified expert
4.1 Ratings (766 Votes)
1 Whenever a ray passes from denser to rarer medium at an anglegreater than critical angle instead of being refracted it undergoreflection and returns in same medium which is known as TotalInternal ReflectionIn optic fiber the    See Answer
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