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

Question:

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

Options :

(a) optical fibres may have homogeneous core with a suitable cladding
(b) optical fibres can be of graded refractive index
(c) optical fibres are subject to electromagnetic interference from outside
(d) optical fibres have extremely low transmission loss

Answer :

(c) optical fibres are subject to electromagnetic interference from outside

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