JEE Main & Advanced JEE Main Paper (Held on 08-4-2019 Morning)

  • question_answer
    The wavelength of the carrier waves in a modern optical fiber communication network is close to : [JEE Main 8-4-2019 Morning]

    A) 600 nm                       

    B) 900 nm

    C) 2400 nm                     

    D) 1500 nm

    Correct Answer: D

    Solution :

    To minimise attenuation, wavelength of carrier waves is close to 1500 nm


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