2 (25 points) (a) What are two required conditions to observe the total internal reflection phenomenon? (5 points) (b) A

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2 25 Points A What Are Two Required Conditions To Observe The Total Internal Reflection Phenomenon 5 Points B A 1 (26.43 KiB) Viewed 82 times

2 (25 points) (a) What are two required conditions to observe the total internal reflection phenomenon? (5 points) (b) A fiber is made of two transparent materials of refractive indices of n, and n2 as shown in Figure. The light reflects internally at the critical angle in the core of the fiber. What is the angle of incident () when it enters the core from air? (20 points) Shell bain Cladding n - 1.44 Air qocy Core 1.47 70