Question 5 a) Explain the conditions necessary for total internal reflection of light at the interface between two media
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Question 5 a) Explain the conditions necessary for total internal reflection of light at the interface between two media
Question 5 a) Explain the conditions necessary for total internal reflection of light at the interface between two media. b) Describe and explain the structure of a step index optical fibre. c) Complete the following diagram to show how a ray of light can be transmitted from one end to another of a curved section of a fibre optic strand by repeated internal reflection.