Find the ratio of length of a closed pipe to that of the open pipe in order that the second overtone of the former is in unison with fourth overtone of the latter. Find the ratio of length of a closed pipe to that of the open pipe in order that the second overtone of the former is in unison with fourth overtone of the latter. November 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related