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Explain about the single mode fibres in intermodal dispersion.
Into single mode fibers, the core size of the fibre is decreased to 3 to 9µm so that this supports simply axial modes, or consistently only one mode of travel (nevertheless both polarizations). Such fibers have V number less than 2.405 at the operating wavelength which is single mode operation, as
V = 2Πa/λ (√(n12 - n22)) = (2Πa/λ) < 2.405
Single mode fibers have negligible intermodal dispersion.
Single mode fibres in intermodal dispersion
Explain the terms 'Magnetic Dip' and 'Magnetic Declination' with the help of relevant diagrams.
Two identical particles every having a charge of 1.0 coulombs are separated by 2.0 meters. What is the electric potential because of the pair of charged particles at the point midw
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The main constituents of glass is (A) SiO 2 (B) B 2 O 3 (C) Al 2 O 3 (D) Cr 2 O 3 Ans: The main constituents of glass are SiO 2 .
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