The maximum speed of flow of water through a long cylindrical pipe of diameter 2cms so that the flow remains laminar is [ given that coefficient of viscosity of water η=10−3pa−s ]
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Detailed Solution
Flow remains laminar if Re<2000i.e.ρvdη<2000i.e103×v×2×10−210−3<2000i.e v<10−1m/s⇒Vmax=10cm/s=0.1 m/s