An Optic Fiber Is Made of Clear Plastic with Index

question 37

Multiple Choice

An optic fiber is made of clear plastic with index of refraction of 1.50. For what angle of incidence will light remain within the plastic "guide"?

• A) >21.1°
• B) >23.4°
• C) >38.3°
• D) >40.3°
• E) >41.8°

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