Two waves each of frequency 540 hz travel at a speed of 330mper sec if the source are in phase in the beginning the phase difference of the wave at a point 4m from one source and 4.4m from the other Two waves each of frequency 540 hz travel at a speed of 330mper sec if the source are in phase in the beginning the phase difference of the wave at a point 4m from one source and 4.4m from the other September 16, 2020 Category: Cengage NEET by C.P Singh , Chapter 16 - Wave Motion and Waves on a String , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related