JAMB Physics 2012 Objective — Question 28
Question 28 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2012 Objective paper, with the correct answer and a full explanation.
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Which of the following factors will affect the velocity of sound?
- A. An increase in the pitch of the sound
- B. An increase in the loudness of the sound
- C. Wind travelling in the same direction of the soundCorrect
- D. A change in the atmospheric pressure at constant temperature
Explanation
Wind travelling in the same direction as the sound adds to (affects) the velocity of sound; pitch and loudness do not affect the speed of sound, and pressure alone (at constant temperature) has negligible effect.
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