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A single mode fibre has low intermodal dispersion than multimode.

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in Engineering Physics II by (679k points)
A single mode fibre has low intermodal dispersion than multimode.

(a) True

(b) False

The question was posed to me in an online quiz.

This question is from Optical Fibre in portion Laser of Engineering Physics II

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Correct answer is (a) True

Easiest explanation: In both single and multimode fibres the refractive indices will be in step by step. Since a single mode has less dispersion than multimode, the single mode step index fibre also has low intermodal dispersion compared to multimode step index fibre.

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