Question

how to derive ascent formula .capillary tube please send full derivation
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Answer 1

Ascent formula :

The value of surface tension is given byx$T=rhρg2cosθ$.The height h to which the liquid rises is given by,$h=2Tcosθrρg$. This expression is known as Ascent formula.

Capillary Action Formula Derivation :

Take into account the circumference of the liquid surface where it meets the glass. The vertical component of the surface tension force along this segment will be $2πr cosθT.$Capillary rise $(h) = 2T/[rρg].$

Answer 2

Answer:

the height h is to which the liquid rises is given by,

h=2Tcos titha rpg

Explanation:

consider a capillary tube of uniform be dipped vertically in a wet liquid.since liquid is wet therefore the meniscus is concave.

let 'r' be the radius of capillary tube , 'R' be the radius of meniscus and 'titha' the angle of contact.

h=2cos titha/rpg