engineering recuitment ISRO Scientist Electronics Mock Test Electromagnetic Theory Waveguides and Guided Waves Optical Fiber
A 2-km-length multimode fiber has a modal dispersion of 1 ns/km and a chromatic dispersion of 100 ps/km.nm. If it is used with an LED of linewidth 40 nm then the total dispersion is _____ nano seconds
1
8.2 ns
2
1 ns
3
10 ns
4
4 ns