Which of the following factors can affect the speed of sound in air? i. The…

Physics WAEC 2007

Which of the following factors can affect the speed of sound in air? i. The temperature of the surrounding ii. The direction of the wind iii. The pitch of the sound.

  • i and ii only checkmark
  • ii and iii only
  • i and iii only
  • i, ii and iii

The correct answer is: A

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