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प्रश्न
What is meant by the statement 'the atmospheric pressure at a place is 76 cm of Hg'? State its value in Pa.
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उत्तर
The atmospheric pressure at a place is 76 cm of Hg means at normal temperature and pressure, the height of the mercury column supported by the atmospheric pressure is 76 cm.
76 cm of Hg = 1.013 x 105 pascal
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