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Two capillary tube of radius r1 and r2 are put vertically one each in two liquids whose relative densities are 0.6 and 0.4 and surface tension are 60 dyne/cm and 50 dyne/cm respectively.If ratio of heights of liquid in two tube is 8:10 respectively. Find r1r2.(Assume contact angle is same in both case)

Answer»

Two capillary tube of radius r1 and r2 are put vertically one each in two liquids whose relative densities are 0.6 and 0.4 and surface tension are 60 dyne/cm and 50 dyne/cm respectively.

If ratio of heights of liquid in two tube is 8:10 respectively. Find r1r2.

(Assume contact angle is same in both case)



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