First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an open organ pipe. Further nth harmonic of closed organ pipe is also equal to the nth harmonic of open pipe, where n and m are First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an open organ pipe. Further nth harmonic of closed organ pipe is also equal to the nth harmonic of open pipe where n and m are June 26, 2021 Category: Arihant Physics by D.C Pandey , Chapter 17 - Wave Motion , Volume 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related