The velocity of sound waves in air is or 330 m/sec. For a particular sound in air, a path difference of 40 cm is equivalent to a phase difference of 1.6π . The frequency of this wave is a path difference of 40 cm is equivalent to a phase difference of 1.6π . The frequency of this wave is The velocity of sound waves in air is or 330 m/sec. For a particular sound in air August 26, 2020 Category: Chapter 16 - Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related