A source is moving towards a stationary observer, so that the apparent frequency increases by 50%. If velocity of sound is 330 m/s, then velocity of source is A source is moving towards a stationary observer so that the apparent frequency increases by 50%. If velocity of sound is 330 m/s then velocity of source is November 12, 2020 Category: Chapter 17 - Wave Motion , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related