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A partially evacuated chamber is used in an aneroid barometer because changes in atmospheric pressure will cause the flexible chamber to expand or contract, which is then measured and indicated on the barometer dial. This mechanism allows the aneroid barometer to measure variations in air pressure without the need for a liquid-filled chamber like in a traditional Mercury barometer.

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Q: Why partially evacuated chamber is used in aneroid barometre?
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How does an aneroid barometer measure atmospheric pressure?

A barometer is an instrument used to measure atmospheric pressure. It can measure the pressure exerted by the atmosphere by using water, air, or mercury.An aneroid barometer is a barometer which measures pressure without using fluids!An aneroid barometer is somewhat different and uses a sealed chamber upon which the fluctuating atmospheric pressure acts. Through mechanical means a pointer is moved on a calibrated scale.


What is the mass of an evacuated chamber?

The mass of an evacuated chamber is primarily composed of the material of the chamber itself. It does not contain any additional matter or gas molecules if it has been properly evacuated.


What has an airtight metal chamber that is sensitive to changes is air pressure?

Aneroid barometer is an airtight metal chamber that is sensitive to changes in air pressure


Why can an aneroid barometer measure elevations as well as air pressure?

The aneroid measures elevation and air pressure has an airtight chamber that is sensetive to changes in the air pressures. Hope this helps.


Can an aneroid barometer measure elevation as well as air pressure?

The aneroid measures elevation and air pressure has an airtight chamber that is sensetive to changes in the air pressures. Hope this helps.


Why can an aneroid barometer measure elevation as well as air pressure?

An aneroid barometer measures air pressure using a flexible metal chamber that expands or contracts based on changes in air pressure. As elevation increases, the air pressure decreases, causing the metal chamber to expand. By calibrating the device, the change in chamber size can be used to estimate the change in elevation.


What kind of barometer measures air pressure by using a metal chamber that is sensitive to pressure changes?

The kind of barometer you are referring to is a aneroid barometer. It uses a metal chamber (an aneroid cell) which expands or contracts with changes in air pressure. This movement is then converted into a reading of air pressure on a dial.


What is a beampipe?

A beampipe is the evacuated chamber through which a beam of particles is accelerated in a particle accelerator.


What is a sentence with the word evacuated?

During World War II, many London children were evacuated to the countryside. When a storm came the town had to be evacuated. To create a low pressure chamber, the air is evacuated from a sturdy container.


What is the name of the chamber that receives partially digested food from the stomach?

Small intestine


What is an evacuated chamber?

An evacuated chamber is a sealed container from which air and other gases have been removed to create a vacuum. This is often done to conduct experiments in a controlled environment with minimal interference from air particles.


What is formed when the top of a volcano collapses into a partially emptied magma chamber?

what happens is that it forms a caldera