Question
Name the physical quantity which is expressed in the unit 'atm'. State its value in pascal.
✓
Answer
At normal temperature and pressure, the barometric height is $0.76$ m of Hg at sea level which is taken as one atmosphere.
1 atmosphere $=0.76 m$ of $Hg =1.013 \times 10^5$ pascal
1 atmosphere $=0.76 m$ of $Hg =1.013 \times 10^5$ pascal
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