Which is the most accurate instrument to measure pressure and is used as a standard?

Aneroid Barometer

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Mercury Barometer

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Barograph

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Manometer

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Solution

The correct option is B Mercury Barometer
Answer is B
In the mercury barometer, atmospheric pressure balances a column of mercury, the height of which can be precisely measured. To increase their accuracy, mercury barometers are often corrected for ambient temperature and the local value of gravity.

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Which instrument is used to measure air pressure?

Name the instrument which is used to measure atmospheric pressure.

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