Related Questions

Capillary rise of mercury in a small diameter tube is proportional of (where, d = mercury of the rube, σ = surface tension of mercury)
A barometer measures the __________ pressure.
An aneroid barometer measures the __________ pressure.
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
Mercury is often used in barometer because
Why does the mercury column in the barometer fall rapidly before a severe storm? It is due to
Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.
A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C.
Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C.
Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury)