A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500 m/s and in air it is 300 m/s. The frequency of sound recorded by an observer who is standing in air is? If the density of oxygen is 16 times that of hydrogen what will be the ratio of the velocities of sound in them ? September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Sound Waves , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related