The si unit of surface tension is

Surface tension is the tendency of fluid surfaces to shrink into the minimum surface area possible.

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. SSC Exams. Banking Exams. Teaching Exams. Civil Services Exam.

The si unit of surface tension is

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The cause of surface tension is often explained roughly as follows. Molecules within a liquid are subject to intermolecular forces whose exact nature and origin need not concern us other than to say that they are principally van der Waals forces and they hold the liquid together and prevent it from evaporating. A molecule deep within the liquid is surrounded in all directions by other molecules, and so the net force on it averages zero. But a molecule on the surface experiences forces from beneath the surface, and consequently it tends to get dragged beneath the surface. This results in as few molecules as possible remaining on the surface; i. That is, the surface appears to be in a state of tension causing it to contract to the least possible area.

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.

The si unit of surface tension is

Surface tension is a phenomenon that occurs due to the cohesive forces of liquid molecules. The molecules on the surface of a liquid are attracted by their neighbors from the sides and bottom. Intermolecular forces like hydrogen bonding and Van der Waals forces hold the molecules together. Within the body of a liquid, molecules do not experience any force because the interactive forces from the neighboring molecules cancel out. On the surface, the molecules are attracted from the sides and bottom.

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Understand Surface Tension in Physics.

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