SSC JE 2023-Fluid Mechanics: What is Barometer?

How much do you know about Barometer? What is the principle behind the working of a barometer? Today, we’ll share 5 expected questions packed with Mock Tests (1 Free) that will help you successfully face the questions on Barometer in the actual SSC JE 2023 exam.

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SSC JE 2023-Fluid Mechanics: What is Barometer?

A barometer is an instrument used to measure atmospheric pressure. It works by balancing the weight of a column of mercury or other liquid against the atmospheric pressure pushing down on an open reservoir of the liquid. The height of the liquid column is directly related to the atmospheric pressure at that location.

The principle behind the barometer is the phenomenon of hydrostatic pressure, we know that only the height of the fluid column is important in the determination of the pressure at the bottom.

42.    Local atmospheric pressure is measured by

          (a)  Barometer                 

          (b)  Altimeter

           (c)  Hydrometer              

          (d)  Hygrometer

Ans- (a)

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