everyday science MCQ #3911

Optical fibres are fine strands of:

everyday science MCQ #3911

  1. Question 1

    Q1. Optical fibres are fine strands of:

    • A) Glass
    • B) Iron
    • C) Calcium
    • D) Mercury

    Answer: Glass

    Explanation: Optical fibres are thin, flexible strands of ultra-pure glass that transmit light signals along their length by the principle of total internal reflection.