1.

In a planet a sucrose solution of coefficient of viscocity 0.0015 N-sm^(2) is driven at a velocity of 10^(-3) ms^-1 through xyleni vessels of radius 2mum and length 5mum The hydrostatic pressure difference across the length of xylem vessels in Nm^(-2) is

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5
8
10
15

Answer :D


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