Question
Physics Question on Ray optics and optical instruments
Consider telecommunication through optical fibres. Which of the following statements is not true?
A
Optical fibres can be of graded refractive index
B
Optical fibres are subject to electromagnetic interference from outside
C
Optical fibres have extremely low transmission loss
D
Optical fibres may have homogeneous core with a suitable cladding
Answer
Optical fibres are subject to electromagnetic interference from outside
Explanation
Solution
Optical fibres are subject to electromagnetic interference from outside.