65 tuning forks are arranged in order of increasing frequency. Any two successive forks produce 4 beats/s, when sounded together. If the last fork gives an octave of the first, the frequency of the first fork is 65 tuning forks are arranged in order of increasing frequency. Any two successive forks produce 4 beats/s the frequency of the first fork is when sounded together. If the last fork gives an octave of the first October 31, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related