Physics-
General
Easy
Question
Consider telecommunication through optical fibres. Which of the following statements is not true
- Optical fibres may have homogeneous core with a suitable cladding
- Optical fibres can be of graded refractive index
- Optical fibres are subject to electromagnetic interference from outside
- Optical fibres have extremely low transmission loss
The correct answer is: Optical fibres are subject to electromagnetic interference from outside
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