Why can’t you measure vacuum below 1Torr using U-tube mercury manometer?
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In a sealed-tube manometer, the pressure reference is a vacuum, or zero absolute pressure. The most common form of a sealed-tube manometer is the conventional mercury barometer used to measure atmospheric pressure. With just one connection, this configuration can measure pressures above and below atmospheric pressure.
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In a sealed-tube manometer, the pressure reference is a vacuum, or zero absolute pressure. The most common form of a sealed-tube manometer is the conventional mercury barometer used to measure atmospheric pressure. ... With just one connection, this configuration can measure pressures above and below atmospheric pressure plz mark me BRAINLIEST
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