Question

hi guys please explain the derivation of formula for the rise of liquid in a capillary tube.........​

Answer 1

Answer:

hy

Explanation:

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To Find: Height of capillary rise = h =? Given: Radius of capillary tube = r =0.5 mm = 0.5 × 10-3 m, Height of capillary rise = h = – 0.80 cm = – 0.80 × 10-2 m, Surface tension = T =0.465 N/m, Acceleration due to gravity = g = 9.8 m/s2, Density = ρ =13.6 × 103 kg/m³, To Find: Angle of contact = θ =?

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Answer 2

Surface tension is due to cohesive attraction among liquid molecules. Derivation: When a thin (open or closed at the top) tube is inserted into a liquid in a container, the liquid inside the tube rises to a height h above the liquid surface outside. ... The surface tension of the liquid be S.

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