because they are too large and clumsy to be used as altimeters so there replaced by aneroid
Mercury barometers and aneroid barometers are the most commonly used types today. Mercury barometers use a column of mercury to measure atmospheric pressure, while aneroid barometers use a small, flexible metal box to detect changes in pressure.
Mercury is used in barometers because it has a high density, does not evaporate easily, and has a low thermal expansion. These properties make it ideal for creating a precise and stable measurement of atmospheric pressure. Water, in contrast, would evaporate easily and change density with temperature, making it less reliable for this purpose.
Mercury is used to measure atmospheric pressure in barometers and to regulate temperature in thermometers. It is also used in some industrial processes and scientific instruments for its unique properties like high density and low surface tension. However, the use of mercury is decreasing due to its toxicity and environmental impact.
Mercury is used for wobbler (fishing) lures, barometers, diffusion pumps, fluorescent lamps, street lights, advertising signs, and many other things. Mercury used to be common in thermometers but was replaced with any one of a number of liquids.
they use satellites and barometers and thermometers
Mercury and aneroid barometers.
Scientists use mercury barometers and aneroid barometers to measure atmospheric pressure. Mercury barometers measure pressure by balancing the weight of mercury against atmospheric pressure, while aneroid barometers use a flexible metal box to detect pressure changes.
Aneroid barometers are advantageous because they are safer to use compared to mercury barometers which contain toxic mercury. Aneroid barometers are also more portable, durable, and do not require periodic maintenance like mercury barometers do. Additionally, aneroid barometers are less prone to breakage and are not affected by temperature changes like mercury barometers.
The two common types of barometers are mercury barometers, which use the height of mercury in a column to measure atmospheric pressure, and aneroid barometers, which utilize a flexible metal membrane to detect and measure pressure changes without using liquid. Digital barometers are also becoming more popular, using electronic sensors to measure pressure.
The two main types of barometers are mercury barometers, which use a column of mercury to measure air pressure, and aneroid barometers, which use a small metal box that expands or contracts with changes in pressure to indicate atmospheric pressure.
Mercury barometers and aneroid barometers are the most commonly used types today. Mercury barometers use a column of mercury to measure atmospheric pressure, while aneroid barometers use a small, flexible metal box to detect changes in pressure.
Barometers can use any liquid. A dense liquid that makes for a short column at room temperature, is mercury.
because acutely i don't no but you could go on grown up bitsize
Mercury and an aneroid barometer are both used to measure atmospheric pressure. However, mercury barometers use a column of mercury to measure pressure changes, while aneroid barometers use a flexible metal box to make pressure readings. Both devices are used to forecast weather patterns.
Mercury was commonly used in thermometers and barometers. However, because it is poisonous, people are trying to use it in less things now.
Mercury was commonly used in thermometers and barometers. However, because it is poisonous, people are trying to use it in less things now.
Science and industrial labs often use mercury filled barometers due to mercury's high density and low vapour pressure. This allows the barometers column of liquid to be less than 1 meter high (760 mm Hg=1 atmosphere). As an additional advantage the meniscus of the mercury is upwards at the center, unlike water, making accurate reading simpler. However mercury's toxic attributes make it hazardous if spilled, so mechanical diaphragm barometers are often used.