AIEEE 2003 Physics Solved Paper

Section: Physics

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Question : 58 of 74

Marks: +1, -0

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

[AIEEE 2003]

Optical fibres can be of graded refractive index
Optical fibres are subject to electromagnetic interference from outside
Optical fibres have extremely low transmission loss
Optical fibres may have homogeneous core with a suitable cladding.

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