Why Mercury is Used in Barometer
Why is mercury preferred over water in a barometer. High density scales down the pressure headh to repesent same magnitude of pressure in a tube of smaller. How It Works Barometers Weather Instruments Barometer So we cannot replace mercury by. . These advantages would be- Mercury does not stick to glass and hence theres very little chance of a stray drop or two of mercury obscuring you. While a barometer using water for instance would need to be 136 times higher column length than a mercury barometer to obtain the. This allows mercury to be used in a small container. 1Mercury is more dense. That is if water is used in barometer tube instead of mercury the length of the tube must be greater than 10326 cm. Why Is Mercury Used In Barometers. Mercury is used in barometers and not water. Due to this luminescent property of mercury it can make its measurements stand out clearly. As well as the mercury has lower