A section of drainage culvert 1.23 m in lengths makes a howling noise when the wind blows across its open ends. (a) Determine the frequencies of the first harmonics of the culvert if it is cylindrical A section of drainage culvert 1.23 m in lengths makes a howling noise when the wind blows across its open ends. (a) Determine the frequencies of the first harmonics of the culvert if it is cylindrical September 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related