For a certain organ pipe, three successive resonant frequencies are observed at 425,595 and 765Hz. The speed of sound in air is 340m/s. The pipe is a 595 and 765Hz. The speed of sound in air is 340m/s. The pipe is a For a certain organ pipe three successive resonant frequencies are observed at 425 October 31, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related