alleryWhere a pipe narrows and streamlines crowd together, the fluid speed:
ABecomes zero
BIncreases
CDecreases
DStays same
Answer & Solution
Correct answer: B. Increases
1. Av stays constant along the pipe.
2. Smaller A means larger v.
3. So the speed increases at the narrow part.
_Source: syllabus Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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