Question

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

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

Answer 1

The correct option is C Optical fibers are subject to electromagnetic interference from outside

Optical fibers are not subjected to electromagnetic interference from outside.