Is it true that a barometer is used for the measurement of atmospheric pressure?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
The device used to measure the atmospheric pressure in terms of the height of the mercury column is a barometer. To measure the air pressure, a mercury barometer is used. Under normal atmospheric pressure, the mercury column takes a height of 76cm. Therefore, the pressure exerted by a 76cm high mercury column is measured as 1 atmospheric pressure.

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