The length of two open organ pipes are l and (l+δl) respectively. Neglecting end correction, the frequency of beats between them will b approximately. the frequency of beats between them will b approximately. The length of two open organ pipes are l and (l+δl) respectively. Neglecting end correction October 31, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related