1.

What happens when a capillary tube of insufficient length is dipped in a liquid? Will the liquid overflow?

Answer»

Solution :We have `H=(2S0(Rrhog)` where R is the radius of curvature of the liquid meniscus.
`HR=(2S)/(rrhog)` = a constant.
So hR = h.R.
Hence in a capillary tube of insufficient LENGTH, the liquid RISES to the top and spresds out to a new radius of curvature R. given by R. = hR/h.. The liquid will not overflow.


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