. A liquid is filled in a spherical container of radius R till a height h
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:
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(A) 0
(B).jpg)
(C) .jpg)
(D) .jpg)
Best Answer
Correct Answer is B
Explanation:
Let's say contact angle is θ, Then in ΔOAB, we have,
sin(90o−θ) = R-h/R
Cosθ = R-h/R
θ = cos-1(R-h/R)
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