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Fiber Optics MCQ

Fiber Optics Quick Quiz

Question 1 of 10
  • What does TPON stand for?

    Answer & Explanation

    Correct Answer: Telephony on a passive optical network 

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  • The information carrying capacity of optical fibers is in the range of:

    Answer & Explanation

    Correct Answer: GHZ

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  • The cutback technique is a/an _______.

    Answer & Explanation

    Correct Answer: attenuation measurement technique

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  • For a profile parameter (α)=1, the profile shape of refractive index for a graded index fiber will be _______.

    Answer & Explanation

    Correct Answer: triangular

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  • The output power of a LASER is greater than that of a LED because of _____.

    Answer & Explanation

    Correct Answer: stimulated emission

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  • The refractive index is defined as the ratio of ____________.

    Answer & Explanation

    Correct Answer: the velocity of light in the medium to the velocity of sound in a vacuum

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  • Which of the following is a fiber dispersion measurement method?

    Answer & Explanation

    Correct Answer: Time domain measurement

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  • Optical time domain reflectometry (OTDR) is a/an ________.

    Answer & Explanation

    Correct Answer: field measurement technique

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  • What is the relationship between refractive index (n1) of core and refractive index (n2) of cladding for an optical fiber?

    Answer & Explanation

    Correct Answer: n1 > n2 

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  • One polarization maintaining fiber operates at a wavelength of 1.5 µm and has a beat length of 0.6mm. Its modal birefringence is given by _______.

    Answer & Explanation

    Correct Answer: 2.5 x 10-3

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  • Fiber Optics Quick Quiz

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