The si unit of surface tension is

Where F is the force per unit length L is the length in which force act and T is the surface tension of the liquid. Get Started.

Surface tension is the tendency of fluid surfaces to shrink into the minimum surface area possible. Have you noticed when you fill a glass up to the brim with water, you can still add a few more drops till it spills out? Or have you ever broken a thermometer and observed how the fallen mercury behaves? All these happen due to the surface tension of the surface. Let us understand the concept, surface tension definition along with its SI unit, formula and examples. According to the definition of surface tension , it is the phenomenon that occurs when the surface of a liquid is in contact with another phase it can be a liquid as well. Liquids tend to acquire the least surface area possible.

The si unit of surface tension is

Surface tension is a measure of the force acting per unit length along the interface between two immiscible phases, such as a liquid and a gas or two immiscible liquids. It quantifies the tendency of the surface of a liquid to minimize its surface area and is responsible for phenomena such as capillary action, droplet formation, and the shape of liquid surfaces. Skip to content. Change Language. Open In App. Related Articles. Improve Improve. Like Article Like. Save Article Save. Report issue Report. Last Updated : 27 Feb, Like Article. Save Article. Previous Surface Energy Formula. Next Unit of Force.

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Understand Surface Tension in Physics. Surface tension is a phenomenon in which the surface of a liquid, where the liquid is in contact with a gas, acts as a thin elastic sheet. This term is typically used only when the liquid surface is in contact with gas such as the air. If the surface is between two liquids such as water and oil , it is called "interface tension. Various intermolecular forces, such as Van der Waals forces, draw the liquid particles together.

The si unit of surface tension is

Surface tension is the property of any fluid which attempts to minimize its free surface area. The surface tension of a liquid is measured as the force per length acting on an imaginary line drawn tangentially on the liquid's free surface. The quantity is scalar. Surface tension is a molecular phenomenon that is electrical in nature due to cohesive force, and the root cause of force. The surface tension of a liquid depends only on the nature of the liquid and is independent of the film surface or line length. Small drops in the liquid are spherical due to the surface tension properties. The force of attraction that acts between the molecules of different substances is called adhesive force, e. The force of attraction acting between the same substance molecules is called a unified force. For example, the force of attraction between water molecules, glass molecules, etc.

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Surface tension is the energy required to stretch a unit change of surface area - and the surface tension will form a drop of liquid to a sphere since the sphere offers the smallest area for a definite volume.

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