Some of the frequencies of tones produced by an organ pipe are : 220,440,550,660,Hz. Find the effective length of the pipe. (Take the speed of sound in air 330 m/s) 440 550 660 Hz. Find the effective length of the pipe. (Take the speed of sound in air 330 m/s) Some of the frequencies of tones produced by an organ pipe are : 220 November 11, 2020 Category: Chapter 17 - Wave Motion , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related