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Barometer measures :
  • a)
    Wind velocity
  • b)
    Atmospheric pressure
  • c)
    Amount of rainfall
  • d)
    Atmospheric moisture
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Barometer measures :a)Wind velocityb)Atmospheric pressurec)Amount of r...
Barometer measures atmospheric pressure.

Explanation:

A barometer is an instrument used to measure atmospheric pressure. It consists of a long glass tube that is closed at one end and open at the other end. The open end of the tube is placed in a container of mercury, which is a heavy metal liquid that is used because it does not evaporate easily.

When the atmospheric pressure changes, it causes a corresponding change in the level of the mercury in the tube. The higher the atmospheric pressure, the more the mercury is pushed up the tube. Conversely, when the atmospheric pressure decreases, the mercury level in the tube drops.

The amount of mercury that is displaced by the atmospheric pressure is measured in millimeters and is called the barometric pressure. This pressure is often expressed in units of millibars or inches of mercury.

In conclusion, barometer measures atmospheric pressure, which is the force exerted by the weight of the atmosphere above a given point.
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Barometer measures :a)Wind velocityb)Atmospheric pressurec)Amount of r...
Atmospheric pressure ✌️✌️
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Barometer measures :a)Wind velocityb)Atmospheric pressurec)Amount of rainfalld)Atmospheric moistureCorrect answer is option 'B'. Can you explain this answer?
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