What Is A Barometer?


Answer:
A barometer is said to be an instrument that is used for the measurement of Atmospheric Pressure. A standard barometer comprises of a glass column which is more or less 30 inches in height, the barometer is closed at one end. It have an open mercury filled reservoir at its base; the mercury which is contained by the tube adjusts itself until the weight of the mercury column extends to the reservoir.

The first barometer of this type was truly devised in the year 1643by the inventor Evangelista Torricelli, he had set out to create an instrument that could measure the solidity and of the air, or the air pressure and an equipment that would also be able to study the moral fibre of vacuums.

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