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PART - 2 CH - 9 Mechanical Properties of Fluids — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsPART - 2 CH - 9 Mechanical Properties of Fluids1 Mark
Question
If the angle of contact between a liquid and solid (a) is less than $90^{\circ} $ (b) is more than $90^{\circ} $ then would the liquid wet the solid? What will be its surface in a capillarly tube made from the solid? Will it rise in the capillary tube?
✓

Answer

(a) It will wet, concave, will rise.
(b) It will not wet, convex, will not rise but fall down.

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