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the claim
The speed of sound is constant regardless of altitude.
the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 4 against
Is it true that the speed of sound is constant regardless of altitude?
No. Reference sources state that the speed of sound in air varies with temperature and travels slower at higher altitude, so it is not constant regardless of altitude.
Verdict: REFUTED · 0 sources for, 4 against · Last checked
Evidence against · 4
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Speed of sound - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Speed_of_sound
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More against · 3
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Why does the speed of sound decrease at high altitudes.... (n.d.). physics.stackexchange.com. https://physics.stackexchange.com/questions/502429/why-does-the-speed-of-sound-decrease-at-high-altitudes-although-the-air-density
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LibreTexts: 1.04%3A Sound Speed. (n.d.). phys.libretexts.org. https://phys.libretexts.org/Bookshelves/Waves_and_Acoustics/Acoustics/01%3A_Fundamentals/1.04%3A_Sound_Speed
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Dumas, H. M., Oliveira, C. F. A. d., & Simeão, C. P. (2019). Determining the Speed of Sound as a Function of Temperature Using Arduino. eric.ed.gov. https://doi.org/10.1119/1.5088475
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