issb general knowledge MCQ #424

Speed of sound is fastest in?

issb general knowledge MCQ #424

  1. Question 1

    Q1. Speed of sound is fastest in?

    • A) Vacuum
    • B) Air
    • C) Water
    • D) Steel

    Answer: Steel

    Explanation: Sound travels fastest through solids like steel. This fact often appears in ISSB academic and general knowledge sections.