Question: In air at 2 0 C . lower - frequency sound waves travel 3 4 0 meters per second. In air at 2 0 C

In air at 20C. lower-frequency sound waves travel 340 meters per second. In air at 20C, higher-frequency sound waves travel:
Fewer than 340 meters per second
Mone than 390 meters per second
It can't be defermined
About 340 meters per serond
In air at 2 0 C . lower - frequency sound waves

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