The speed of sound in air at sea level is approximately____________?

Correct answer: C. 340 meters per second

  • A. 300 meter per second
  • B. 320 meter per second
  • C. 340 meters per second
  • D. 370 meter per second

Explanation

At sea level and around 20°C, sound travels through air at approximately 343 metres per second, conventionally rounded to 340 metres per second. Its speed changes with temperature and the medium.

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