A spherical meniscus is formed in a capillary tube of internal radius r. The contact angle measured through the liquid is θ. If the radius of curvature of the meniscus is Rₘ, which relation is correct?

Physics · Properties of solid and fluid · properties of fluid and surface tension

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A spherical meniscus is formed in a capillary tube of internal radius r. The contact angle measured through the liquid is θ. If the radius of curvature of the meniscus is Rₘ, which relation is correct?

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