please someone help me out
A tube of insufficient length is immersed in water (ST=0.07 N/m) with 1 cm of it projecting vertically upards outside water.What is the radius of meniscus???Radius of tube = 1mm
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6 Answers
gsns gannavarapu
·2009-08-18 16:52:19
2T/R = Dgh
R .....Radius of curvature
D...density of water
h.....height raised by water
n is d ans 1.4 mm?
Philip Calvert
·2009-08-18 21:49:59
i think gsns has done the right thing
R = 2T/Ïgh use this to get the answer
angle of contact will change as Rcosθ = r
where r is radius of tube.... but i dont see the need of it