alleryThe excess pressure at a depth over atmospheric pressure is called:
AVapour pressure
BGauge pressure
CAbsolute pressure
DPartial pressure
Answer & Solution
Correct answer: B. Gauge pressure
1. Total pressure at depth is atmospheric plus the liquid column.
2. The extra part from the column has its own name.
3. It is the gauge pressure.
_Source: syllabus Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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