5. The path of light ray in an optical fibre is A) Straight line lg Z og C) Spiral
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Answered by
1
Answer:
A ) Straight way
Explanation:
The path of light is always straight
Answered by
1
Answer:
When light enters through one end of the fibre it undergoes successive total internal reflections from sidewall and travels down the length of the fibre along a zigzag path. A small fraction of light may escape through side walls but a major fraction emerges out from the other end of the fibre.
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