Question
a.
4wd/σ cosα
b.
σ cosα/4wd
c.
4σ cosα/wd
d.
wd/4σ cosα
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Q. A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid...
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