Physics, asked by supreetwarraich7962, 8 months ago

HOW TO MAKE A SIMPLE BAROMETER?
WHAT IS THE CAUSE OF ATMOSPHERIC PRESSURE

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Answered by 1170594

Answer:

A Torricellian barometer (sometimes called a mercury barometer) is an inverted (upside-down) glass tube standing in a bath of mercury. Air pressure pushes down on the surface of the mercury, making some rise up the tube. The greater the air pressure, the higher the mercury rises.

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