Suppose the pressure at the surface of mercury in a barometer tube is P1 and the pressure at the surface of mercury in the cup is P2. Suppose the pressure at the surface of mercury in a barometer tube is P1 and the pressure at the surface of mercury in the cup is P2. September 14, 2020 Category: Cengage NEET by C.P Singh , Chapter 14 - Fluid Mechanics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related