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Barometer is used to measure
- a)pressure in pipes, channels etc.
- b)atmospheric pressure
- c)very low pressure
- d)difference of pressure between two points
- e)rain level
Correct answer is option 'B'. Can you explain this answer?
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Barometer is used to measurea)pressure in pipes, channels etc.b)atmosp...
Barometer to measure atmospheric pressure
A barometer is a scientific instrument used to measure atmospheric pressure. It is used to predict weather changes, and also used in aviation and in the study of fluids. Atmospheric pressure is the force exerted on the Earth's surface by the weight of the air above it.
Working of Barometer
A barometer works by measuring the weight of the air that is pressing down on it. It consists of a glass tube that is closed at one end and open at the other end. The closed end is filled with mercury and then turned upside down into a dish of mercury. The weight of the mercury creates a vacuum at the top of the tube, which is then filled with air. The pressure of the air is measured by the height of the mercury in the tube.
Types of Barometers
There are two types of barometers: mercury barometers and aneroid barometers. Mercury barometers are more accurate than aneroid barometers, but they are also more expensive and require more maintenance. Aneroid barometers use a small, flexible metal box that expands or contracts as the atmospheric pressure changes.
Applications of Barometers
Barometers are used in weather forecasting to predict changes in atmospheric pressure, which can indicate changes in weather patterns. They are also used in aviation to measure the altitude of planes. In the study of fluids, barometers are used to measure the pressure of liquids in closed systems.
In conclusion, a barometer is primarily used to measure atmospheric pressure. It is an important tool in predicting weather changes, aviation, and the study of fluids.
A barometer is a scientific instrument used to measure atmospheric pressure. It is used to predict weather changes, and also used in aviation and in the study of fluids. Atmospheric pressure is the force exerted on the Earth's surface by the weight of the air above it.
Working of Barometer
A barometer works by measuring the weight of the air that is pressing down on it. It consists of a glass tube that is closed at one end and open at the other end. The closed end is filled with mercury and then turned upside down into a dish of mercury. The weight of the mercury creates a vacuum at the top of the tube, which is then filled with air. The pressure of the air is measured by the height of the mercury in the tube.
Types of Barometers
There are two types of barometers: mercury barometers and aneroid barometers. Mercury barometers are more accurate than aneroid barometers, but they are also more expensive and require more maintenance. Aneroid barometers use a small, flexible metal box that expands or contracts as the atmospheric pressure changes.
Applications of Barometers
Barometers are used in weather forecasting to predict changes in atmospheric pressure, which can indicate changes in weather patterns. They are also used in aviation to measure the altitude of planes. In the study of fluids, barometers are used to measure the pressure of liquids in closed systems.
In conclusion, a barometer is primarily used to measure atmospheric pressure. It is an important tool in predicting weather changes, aviation, and the study of fluids.
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Barometer is used to measurea)pressure in pipes, channels etc.b)atmospheric pressurec)very low pressured)difference of pressure between two pointse)rain levelCorrect answer is option 'B'. Can you explain this answer?
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