Question
In optical fibre communication, the wavelength 1550 nm is preferred for long-distance transmission because it has:
Option 4 : The lowest attenuation
Detailed Solution
सही उत्तर The lowest attenuation है।
The 1550 nm window has the lowest attenuation (about 0.2 dB/km) in silica fibre, so it is preferred for long-distance transmission.
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prepsnap.in • Domain SpecificQuestion:
In optical fibre communication, the wavelength 1550 nm is preferred for long-distance transmission because it has:
Correct Answer: The lowest attenuation
The 1550 nm window has the lowest attenuation (about 0.2 dB/km) in silica fibre, so it is preferred for long-distance transmission.