The 1st overtone of a pipe closed at one of its end is 900 Hz. Find the fundamental frequency of this pipe open at both ends. The 1st overtone of a pipe closed at one of its end is 900 Hz. Find the fundamental frequency of this pipe open at both ends. November 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related