1. (10 pts) A 20-foot organ pipe generates sound waves which are12.5 meters long. At what frequency does the pipe make sound?

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1. (10 pts) A 20-foot organ pipe generates sound waves which are12.5 meters long. At what frequency does the pipe make sound? 

 2. (10 pts) One of the most renowned concert halls in the world, the Amsterdam Concertgebouw, is rectangular in shape with dimensions of 30.4 meters by 20.4 meters by 9.2 meters. Which frequencies have wavelengths that match each of those lengths? 

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