The diagram shows a light signal travelling through an optical fibre made of glass. a. State two
Question:
The diagram shows a light signal travelling through an optical fibre made of glass.
a. State two changes that happen to the light when it passes from air into the glass fibre at B.
b. Explain why the light follows the path shown after hitting the wall of the fibre at P.
Transcribed Image Text:
P B glass fibre
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