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Consider telecommunication through optic...

Consider telecommunication through optical fibres. Which of the following statements is not true?

A

optical fibres may gave homogeneous core with a suitable cladding

B

opticle fibres can be of graded refractive index

C

optical fibres are subjected to electromagnetic interference from outside

D

optical fibres have extremely low transmission loss

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Consider telecommunication through optical fibres. Which of the following statement is not ture?

    A
    Optical fibres may have homogeneous core with a suitable cladding.
    B
    Optical fibres can be of graded refractive index
    C
    Optical fibres are subject to electromagnetic interference from outside.
    D
    Optical fibres have extremely low transmission loss

  • Consider telecommunication through optical fibers. Which of the following statements is not true ?

    A
    optical fibers can be of graded refractive index
    B
    optical fibers are subject are subjected to electro- magnetic interference from outside
    C
    optical fibers have extremely low transmission loss
    D
    optical fibers may have homogeneous core with a suitable cladding

  • Which of the following statements is not correct for fibres?

    A
    Fibres possess high tensile strength and high modulus.
    B
    Fibres impart crystalline nature.
    C
    Characteristic features of fibres are due to strong intermolecular forces like hydrogen bonding.
    D
    All are correct