what will be the pressure exerted by a coulmn of mercury in a barometer if height of the mercury column is 76cm and its dencity is 13.6g/cm^3
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Answer:
1.0129×105Pa
h=76cm
Pressure=?
Formula to be used : P=hgd
Where h = height of mercury column and
d= density of mercury=13.6gm/cc
acceleration due to gravity=980cm/s²
P=hgd=13.6×980×76=1012928dyne.cm²
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