See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/243676369 LET'S INVESTIGATE: Speed of sound in a closed pipe using a sound card Article in Physics Education · November 2002 DOI: 10.1088/0031-9120/37/6/402 CITATIONS 3 READS 22 1 author: Svetlozar Nedev University of Chemical Technology and Metallurgy 61 PUBLICATIONS 437 CITATIONS SEE PROFILE All content following this page was uploaded by Svetlozar Nedev on 26 April 2014. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.