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Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 15 (Q.No. 40)
Exam Questions Papers
40.
In the design of a single mode step index optical fiber close to upper cut-off, the single mode operations is NOT preserved if
radius as well as operating wavelength are halved
radius as well as operating wavelength are doubled
radius is halved and operating wavelength is doubled
radius is doubled and operating wavelength is halved
Answer: Option
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