everyday science MCQ #2780

A lightning flash and thunderbolt occur at one and the same time.

everyday science MCQ #2780

  1. Question 1

    Q1. A lightning flash and thunderbolt occur at one and the same time.

    • A) The light is seen after the sound is heard
    • B) The sound is heard at the same time as the light is seen
    • C) The light is seen first and the sound is heard afterwards
    • D) Sometimes light is seen first and sometimes sound is heard first

    Answer: The light is seen first and the sound is heard afterwards

    Explanation: Light travels at 300,000 km/s while sound travels at ~343 m/s in air; lightning (light) is seen almost instantly while thunder (sound) arrives seconds later.