Assuming the xylem tissues through which water rises from root to the branches in a tree to be of uniform cross-section find the maximum radius of xylem tube in a `10m` high coconut tree so that water can rise to the top. (Surface tension of water`=0.1(N)/(m)`, Angle of contact of water with xylem tube`=60^@`)A. `1cm`B. `1mm`C. `10mum`D. `1mum`

Assuming the xylem tissues through which water rises from root to the

1.	Assuming the xylem tissues through which water rises from root to the branches in a tree to be of uniform cross-section find the maximum radius of xylem tube in a `10m` high coconut tree so that water can rise to the top. (Surface tension of water`=0.1(N)/(m)`, Angle of contact of water with xylem tube`=60^@`)A. `1cm`B. `1mm`C. `10mum`D. `1mum`
Answer» Correct Answer - D `rhohgpir^2=2pirScostheta` `impliesr=(2Scostheta)/(rhogh)=(2xx1xx0.5)/(10^3xx10xx10)=10^-6m`

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