A constant volume gas thermometer shows pressure reading of 50cm and 90cm of mercury at 0 C and 100 C , respectively. When the pressure reading is 70cm of mercury, the temperature is A constant volume gas thermometer shows pressure reading of 50cm and 90cm of mercury at 0 C and 100 C respectively. When the pressure reading is 70cm of mercury the temperature is September 6, 2021 Category: Cengage NEET by C.P Singh , Chapter 18 - Temperature and Thermal Expansion , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related