The wavelength is 120 cm when the source is stationary. If the source is moving with relative velocity of 60 m/sec towards the observer, then the wavelength of the sound wave reaching to the observer will be (velocity of sound = 330 m/s) The wavelength is 120 cm when the source is stationary. If the source is moving with relative velocity of 60 m/sec towards the observer then the wavelength of the sound wave reaching to the observer will be (velocity of sound = 330 m/s) November 6, 2020 Category: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related