alleryPlaque narrows an artery, blood speeds up there and pressure drops. The artery may:
ACollapse
BExpand
CHarden
DWarm up
Answer & Solution
Correct answer: A. Collapse
1. Faster flow means lower inside pressure.
2. Outside pressure then wins.
3. The artery may collapse, which can cause a heart attack.
_Source: syllabus Physics Part II, Chapter 10, Mechanical Properties of Fluids._
Keep practising Mechanical Properties of Solids and Fluids
Browse all Mechanical Properties of Solids and Fluids questions for CBSE Class 11 (Science), or explore more Physics topics.
Related questions
Which statement about Hooke's law for a metal wire is correct?A wire hangs from a ceiling with weight F at its end. What is the tensile stress at any crWhich elastic modulus is defined as the ratio of tensile stress to tensile strain?A rubber-like elastomer is notable in elasticity because it does what?For which states of matter is the bulk modulus meaningful?Why is stress not treated as a vector quantity even though force is?Which value is nearest to Poisson's ratio of aluminium alloys?Within what range does Poisson's ratio lie for steels?