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प्रश्न
Why is the barometric height used as unit to express the atmospheric pressure?
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उत्तर
It is the atmospheric pressure acting on the surface of the mercury in the trough that supports the vertical mercury column. Hence, barometric height is used as unit to express the atmospheric pressure.
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संबंधित प्रश्न
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
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What is an aneroid barometer?
Draw a neat and labeled diagram to explain its construction and working.
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