There are many reasons why Mercury is used in barometers. Mercury is a very plentiful element and it is easily accessible to humans. It is also a very weak radiofrequency radiation absorber. This means that it can be used to measure the pressure of the atmosphere.
Who first invented barometer?
The first barometer was a weather balloon.
Are mercury barometers accurate?
Yes, mercury barometers are accurate.
What are the advantages of Fortin barometer?
There are many advantages to using a Fortin barometer. One of the most important advantages is that it is a reliable instrument that can be used to measure weather conditions. Another advantage is that it is easy to read and can be used to determine the level of pressure in the atmosphere.
Why is not water used as a barometric liquid Give two reasons?
One reason is that water is a non-toxic liquid and can easily corrode metal objects. Another reason is that water is a poor conductor of electricity, so it needs to be used in combination with other gases or liquids to create a barometric liquid.
What was Evangelista Torricelli known for?
Evangelista Torricelli was an Italian mathematician, astronomer, and physicist who is best known for his work on calculus and the calculus of variations.
What did Evangelista Torricelli invent?
Evangelista Torricelli invented the printing press.
Who invented Torr?
The first Torr was created by a scientist named Dr. John McCarthy in the early 1800s.
Why is mercury used in barometer Brainly?
The use of mercury in barometers is to ensure a consistent reading because it travels in the air and can be affected by other objects in the atmosphere.
Why is mercury used in barometer class 11 physics?
The metal is used to create a vacuum in the instrument so that the mercury can be added.
Why did Evangelista Torricelli invent the barometer?
“Evangelista Torricelli invented the barometer in the 15th century to help measure weather conditions.”
Who invented mercury barometer?
The mercury barometer was invented by Nicholas-Jacques Conte in 1795.
Do barometers still use mercury?
Yes, barometers still use mercury.
What causes wind?
There is no one answer to this question as wind can be caused by many things. Some of the most common causes of wind are the motion of the earth and the air.
What are the advantages of aneroid barometer?
There are a few advantages to aneroid barometers. These advantages include:-They are less likely to be affected by atmospheric pressure changes, which can cause inaccurate readings-They are more accurate than other types of barometers-They are less likely to be affected by humidity or temperature changes, which can cause inaccurate readings-They are less likely to be affected by wind or weather conditions, which can cause inaccurate readings
Why does pressure decrease with height?
The pressure of the atmosphere decreases with height because the atmospheric pressure is greater at lower levels.
Is atm the same as torr?
Yes, atm is most likely the same as torr.
Why is the reading of a mercury barometer always less than actual pressure?
The reading of a mercury barometer is always less than the actual pressure because the mercury is displaced by the air in the barometer.
Why is Hg called torr?
The name “Hg” is derived from the Latin “hg” meaning “pressure,” “weight,” or “ton.” The pressure of an element is measured in torr, which is equal to 1/6 of a pound per square inch.
What are the disadvantages of mercury barometer?
There are a few disadvantages to using a mercury barometer. One is that it can be inaccurate, as the mercury can change in temperature. Additionally, the mercury can be affected by air pollution, so it may not be accurate in estimating the air quality in a specific area. Finally, the mercury can be affected by weather conditions, so it may not be accurate in predicting weather patterns.
Why is alcohol used in manometer?
Alcohol is used as a manometer to measure the level of intoxication.
How does aneroid barometer overcome the disadvantages of mercury barometer?
Aneroid barometers overcome the disadvantages of mercury barometers by using an aneroid valve to measure pressure and temperature.
How do people drink from a straw?
Most people drink from a straw because it’s easier and faster than using a cup or bowl.
Which is better mercury barometer or aneroid barometer?
Aneroid barometers are better for measuring air pressure because they have a more accurate reading than mercury barometers.
What is torr used for?
The word “torr” is used for a measure of weight.
What is vacuum in barometer?
A vacuum is a state in which a gas or liquid is in a state of zero pressure.
What are the factors that affect the atmospheric pressure at a place?
The atmospheric pressure at a place is influenced by the temperature, humidity, and wind.
Is torr same as mmHg?
The torr is a unit of air pressure and is equal to 1.14 bar.
Which type of barometer is more accurate?
A barometric pressure or a weather station is more accurate than a weather balloon because it can provide a more accurate reading of atmospheric pressure.
What are the advantages of using mercury as a barometric liquid?
There are many advantages to using mercury as a barometric liquid. For one, it is a very low-cost liquid. Mercury is also a very effective barometric pressure transmitter. This means that it can transmit pressure information very effectively, even in difficult or challenging situations. Additionally, mercury is non-toxic, and does not cause any health problems when used in a proper way.
Why is mercury used in the barometer rather than water?
The barometer measures pressure, and water has a low pressure at sea level. Mercury has a high pressure at sea level, which makes it a better choice for measuring pressure.