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In a plant, a sucrose solution of coefficient of viscosity $0.0015 N - s / m^{2}$ is driven at a velocity of $10^{- 3} m / s$ through xylem vessels of radius $2 μ m$ and length $5 μ m$ . The hydrostatic pressure difference across the length of xylem vessels in $N / m^{2}$ is

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detailed solution

Correct option is D

Av=ΔP πr48ηl ⇒ΔP=8ηlvr2=8×0.0015×5×10-6×10-32×10-62=15Pa

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In a plant, a sucrose solution of coefficient of viscosity 0.0015 N−s/m2 is driven at a velocity of 10−3m/s through xylem vessels of radius 2μm and length 5μm . The hydrostatic pressure difference across the length of xylem vessels in N/m2 is

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Ready to Test Your Skills?

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In a plant, a sucrose solution of coefficient of viscosity $0.0015 N - s / m^{2}$ is driven at a velocity of $10^{- 3} m / s$ through xylem vessels of radius $2 μ m$ and length $5 μ m$ . The hydrostatic pressure difference across the length of xylem vessels in $N / m^{2}$ is