Two capillary tubes with an internal diameter of 1.6 mm and 0.96 mm were inserted into a liquid of 0.79g.cm-3, the difference between the capillary rises in the tubes was 1.1 cm. Assuming the contact angle is zero, calculate the surface tension of the liquid.
Two capillary tubes with an internal diameter of 1.6 mm and 0.96 mm were inserted into a liquid of 0.79g.cm-3, the difference between the capillary rises in the tubes was 1.1 cm. Assuming the contact angle is zero, calculate the surface tension of the liquid.
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Question
Two capillary tubes with an internal diameter of 1.6 mm and 0.96 mm were inserted into a liquid of 0.79g.cm-3, the difference between the capillary rises in the tubes was 1.1 cm. Assuming the contact angle is zero, calculate the surface tension of the liquid.
Expert Solution
Step 1
Given:
- Diameter of first tube R1 = 1.6 mm.
- Diameter of first tube R2 = 0.96 mm.
- Density of the liquid ρ = 0.79 gm/cm3.
- Difference in the height ∆h = 1.1 cm.
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