Ray Optics and Optical Instruments

Question: Consider telecommunication through optical fibres. Which of the following statements is not true

1) Optical fibres may have homogeneous core with a suitable cladding

2) Optical fibres can be of graded refractive index

3) Optical fibres are subject to electromagnetic interference from outside

4) Optical fibres have extremely low transmission loss

Solution:

Explanation: No Explanation

Total Internal Reflection

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