In this measurement technique of surface tension, if due to the gravitational force action, small liquid droplets or gas bubbles are spherical, the larger droplets are deformed properly, because of the gravitational force action. The spherical surface area is comparable to its square radius and depends on the quantity of gravitational deformation, which is proportional to the third power radius. The Interfacial and surface tension can also be determined by pressure at high temperatures by this technique.
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