A source of frequency f is moving towards the observer along the line with a constant velocity vs as shown in figure. Plot apparent frequency observed by the observer versus time graph. A source of frequency f is moving towards the observer along the line with a constant velocity vs as shown in figure. Plot apparent frequency observed by the observer versus time graph. September 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related