Two vertical glass tubes of bore 1 mm and 2 mm are introduced inside a liquid. The capillary rise of the liquid in the two tubes indicates a difference in height, between the two menisci, of 1.30 cm. If the mass density of the liquid is 800 kg/m3, Estimate the surface tension of the liquid. [Take the angle of contact of the liquid with glass as zero].

Two vertical glass tubes of bore 1 mm and 2 mm are introduced inside a

1.	Two vertical glass tubes of bore 1 mm and 2 mm are introduced inside a liquid. The capillary rise of the liquid in the two tubes indicates a difference in height, between the two menisci, of 1.30 cm. If the mass density of the liquid is 800 kg/m3, Estimate the surface tension of the liquid. [Take the angle of contact of the liquid with glass as zero].
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