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Above a limiting speed called the critical speed, flow becomes:
ALaminar
BFrozen up
CTurbulent
DSteadier
Answer & Solution
Correct answer: C. Turbulent
1. Steady flow needs low speeds.
2. Past the limit the flow loses steadiness.
3. It becomes turbulent.
_Source: NCERT Class 11 Physics Part II, Chapter 10, Mechanical Properties of Fluids._
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