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 November 1, 2020 Category: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related