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Sound in Pipe Standing Wave A mode 4 standing wave has set up in a 60...

Sound in Pipe Standing Wave A mode 4 standing wave has set up in a 60 cm pipe that is open at both ends. The gas in and surrounding the pipe is air with sound velocity of 343 m/s.

Determine the frequency of the standing wave in the pipe.

The air in and surrounding the pipe is replaced by an unknown gas that results in a standing wave of the same frequency but with mode = 6. Determine the sound velocity of this unknown gas.

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