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Which statement accurately describes a difference between a mercury barometer and an aneroid barometer?
A mercury barometer uses a column of mercury to measure atmospheric pressure, while an aneroid barometer uses a flexible metal box to measure pressure changes. Mercury barometers are more accurate but require careful handling due to the toxic nature of mercury, while aneroid barometers are portable and safer to use.
What is the difference between an anemometer and a wind vane?
Anemometers measure wind speed, wind vanes tell the direction from which the wind is coming.A wind vane measures the direction of the wind.An anemometer measures the speed of the wind.A wind vane tells you which direction the wind is blowing, the anemometer tells you the speed.
Is an anemometer is a glass tube sealed at one end and placed in a container of mercury?
No, an anemometer is a device used to measure wind speed and direction. It typically consists of cups that rotate with the wind or a propeller that spins in the wind. The description you provided sounds more like a barometer, which measures atmospheric pressure using a column of mercury in a sealed glass tube.
What is the name of barometer which does not contain liquid?
It's known as an aneroid barometer. It works by the difference in pressure causing a partially flattened tube which is wound into a coil to straighten out. The movement is converted to circular motion by a series of gears. the central shaft has a needle attached which indicates the pressure.
What is the different between barometer and thermometer?
A barometer measures the barometric pressure of the atmosphere. This has to do with the relative humidity. The more moisture suspended in the air, the more it weighs. A weather thermometer measures the temperature of the air.
