A closed organ pipe of length l0 is resonating in 5th harmonic mode with rod clamped at two points l and 3l from one end. If the length of the rod is 4l and it is vibrating in first overtone, find the length of the rod. A closed organ pipe of length l0 is resonating in 5th harmonic mode with rod clamped at two points l and 3l from one end. If the length of the rod is 4l and it is vibrating in first overtone find the length of the rod. September 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related