Questions
A liquid is filled in a spherical container of radius R till a height h. At this positions the liquid surface at the edges is also horizontal. The contact angle is
detailed solution
Correct option is B
cosθ=R−hR⇒(θ)=cos-1R−hRTalk to our academic expert!
Similar Questions
A conical capillary tube as shown in figure is submerged in a liquid. Contact angle between the liquid and capillary is and the weight of liquid inside the meniscus is to be neglected. T is surface tension of the liquid, rm is radius of the meniscus, g is acceleration due to gravity and is density of the liquid. Semi-vertex angle of conical tube is
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