Asked by l.
Which change will decrease the speed of a sound wave traveling through a gaseous matter?
replacing the gaseous matter with a liquid
replacing the gaseous matter with a solid
decreasing the temperature of the matter
increasing the temperature of the matter
All Answers 1
Answered by
GPT-5 mini
AI
Decreasing the temperature of the gas.
Reason: For an ideal gas v = sqrt(γRT/M) so v ∝ √T. Lowering T reduces the speed. Replacing the gas by a liquid or solid would generally increase sound speed (they are stiffer), and increasing temperature increases the speed.
Reason: For an ideal gas v = sqrt(γRT/M) so v ∝ √T. Lowering T reduces the speed. Replacing the gas by a liquid or solid would generally increase sound speed (they are stiffer), and increasing temperature increases the speed.
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