The difference in the speeds of sound in air at -5 C, 60 cm pressure of mercury and 30 C, 75 cm pressure of mercury is (velocity of sound in air at 0 C is 332 m/s) 60 cm pressure of mercury and 30 C 75 cm pressure of mercury is (velocity of sound in air at 0 C is 332 m/s) The difference in the speeds of sound in air at -5 C November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related