📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      A person at a railway station hears the sound of an

      explosion 3.6 km away, after 40 seconds. What is the speed of sound in this situation?
      A 58 m/s Correct Answer Incorrect Answer
      B 85 m/s Correct Answer Incorrect Answer
      C 65 m/s Correct Answer Incorrect Answer
      D 90 m/s Correct Answer Incorrect Answer

      Solution

      ATQ,

      Speed of sound

      = (3.6 × 1000) / 40

      = 3600 / 40

      = 90 m/s

      Practice Next
      ask-question