BROADBAND COMMUNICATION QUESTION BANK 1. (a) What are the advantages of optical fiber cables over the co-axial cables? (06) (b) Calculate NA, Acceptance angle and Angle of fiber with core and cladding refractive index values as n 1 =1.5 and n 2 =1.45 respectively. (06) (c) Explain the “mode theory” of optical fiber. (06) 2. (a) What is meant by accepta...