Optical Communication MCQ

Q1. What is the primary medium used in optical communication systems?

Q2. What is the wavelength range of light used in optical communication?

Q3. What is the main advantage of optical fiber over copper wires for communication?

Q4. What is the principle of operation of optical fiber communication?

Q5. Which type of optical fiber is most commonly used in communication systems?

Q6. What is the primary difference between single-mode and multi-mode optical fiber?

Q7. What is the effect of dispersion in optical fibers?

Q8. What is the term for the loss of signal strength in optical fiber communication?

Q9. Which of the following components is used to convert electrical signals to optical signals in optical communication?

Q10. Which type of light source is used in multi-mode fiber communication?

Q11. What is the purpose of an optical amplifier in optical communication systems?

Q12. Which of the following is a major challenge in long-distance optical fiber communication?

Q13. What is the typical bandwidth capacity of a single-mode optical fiber?

Q14. What is the principle behind Wavelength Division Multiplexing (WDM) in optical communication?

Q15. What is the function of an optical coupler in optical communication?

Q16. What is the significance of the core diameter in optical fiber?

Q17. Which of the following is a major advantage of optical fiber communication over traditional copper wire communication?

Q18. Which optical component is used to measure the signal power in optical fibers?

Q19. What type of fiber optic cable is best suited for short-distance, high-speed data transmission?

Q20. What is the effect of fiber bending on optical signal transmission?