Question

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

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

Answer 1

The correct option is B Optical fibres are subject to electromagnetic interference from outside.

Optical fibres are not subjected to electromagnetic interference from outside.