JEE Main 2019 Physics question
Water from a pipe is coming at a rate of 100 liters per minute. If the radius of the pipe is 5 cm, the Reynolds number for the flow is of the order of (density of water = 1000 kg/m, coefficient of viscosity of water = 1 mPa s)
Answer: (A)
Solution
\dfrac{Q}{π r^2}\dfrac{10^{-1}/60}{π(25×10^{-4})}$ ≈
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