alleryTorricelli's pressure measuring device is known as the mercury:
ABarometer
BThermometer
CHydrometer
DVoltmeter
Answer & Solution
Correct answer: A. Barometer
1. A long glass tube of mercury stands inverted in a trough.
2. The height of the column reports the atmospheric pressure.
3. The device is called a mercury barometer.
_Source: syllabus Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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