Question

What is Mercury Barometer ? ​

Answer 1

Answer:

here is the answer

a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.

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Answer 2

Answer:

aur apka app plz apna bio sahi karo Aur mat jao plz apko meri kasam ab soch lo bahi ban ne se pele hi behen ko maro ge kya