An open organ pipe of length 11 cm in its fundamental mode vibrates in resonance with the first overtone of a closed organ pipe of length 13.2 cm filled with some gas. If the velocity An open organ pipe of length 11 cm in its fundamental mode vibrates in resonance with the first overtone of a closed organ pipe of length 13.2 cm filled with some gas. If the velocity November 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related