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Madelberg hemispherical experiment can prove the existence of atmospheric pressure

Endless rain Ask questions on 2024-06-04 21:44:53
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Madelberg hemispherical experiment is a classical physical experiment, which can prove the existence of atmospheric pressure.

The specific process of the experiment is as follows: put a hollow hemispherical glassware on a flat plate, and then pump the air out of the hemispherical glassware, so that the pressure inside the hemispherical glassware is greatly reduced, while the external atmospheric pressure is unchanged. With the air being extracted, the pressure inside the hemispherical vessel gradually decreases until the external atmospheric pressure is strong enough to compress the hemispherical vessel, making it unable to continue to extract air. At this time, the pressure inside the hemispherical vessel is equal to the external atmospheric pressure, and the air inside the hemispherical vessel is in balance with the external air.

The results of this experiment show that atmospheric pressure exists because the pressure inside the hemispherical vessel is equal to the external atmospheric pressure. This experiment also shows that atmospheric pressure is very important for our daily life and industrial production, because it can affect many physical and chemical processes.

Endless rain 2024-06-11 11:49:27

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