Topic: Mercury Barometer
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Answers to Common Questions
Why is Mercury Used in Barometers?
Mercury is used in barometers because the liquid is a little heavier than other liquids. You can use other liquids, but mercury would be the most commonly preferred. If the liquids were lighter, then it would require the barometer to be lon... Read More »
Source: http://answers.ask.com/Consumer_Electronics/Other/why_is_mercury_...
How does a Mercury Barometer Work?
Mercury Barometer consist of a long glass tube sealed at one tube. Mercury is very sensitive to pressure and changes its layer in the tube and pressure is measured. Read More »
Source: http://answers.ask.com/Computers/Other/how_does_a_mercury_baromet...
What Are the Dangers of Mercury in Barometers?
Hazards Posed Mercury is toxic by inhalation and skin absorption. Broken glass from a barometer can cause cuts that could introduce mercury into your body. Routes of Entry Mercury enters the body by inhalation, absorption through the skin a... Read More »
Source: http://www.ehow.com/facts_5642099_dangers-mercury-barometers_.htm...
Featured Content:
Mercury Barometer
(n.) Barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheri
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More Common Questions
Answers to Other Common Questions
Mercury barometers are constructed with a long glass tube, greater than 33 inches tall, with a small reservoir at the bottom filled with mercury. As the atmospheric pressure increases, more force is placed on the reservoir of mercury, which...
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Source: http://www.ehow.com/how_5005402_a-barometer-work.html
evangelista torricelli
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Source: http://wiki.answers.com/Q/Who_discovered_mercury_barometer
Mercury is used in barometers due to its high density. This allows mercury to be used in a small container. If you used water for example, which has a low density, your barometer would have to be around 15-34 meters tall.
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Source: http://wiki.answers.com/Q/Why_Mercury_is_used_in_barometer
An Italian named Toricelli in 1643
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Source: http://wiki.answers.com/Q/Who_invented_the_mercurial_barometer
The barometer was invented by Evangelista Torricelli
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Source: http://wiki.answers.com/Q/Who_invented_the_mercury_barometer
Mercury barometer is used for measuring atmospheric pressure. Because atmospheric pressure changes with distance above or below sea level, a barometer can also be used to measure altitude.
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Source: http://wiki.answers.com/Q/What_is_a_mercury_barometer_used_for
