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SS1 Physics Third Term: Surface Tension

Introduction

We observe many things in our day-to-day life. Surface Tension Phenomenon is one among them. Often we confuse the Phenomena of Surface tension with Buoyancy. Both the phenomena are entirely different to each other in the sense, in Buoyancy a portion of the body gets dipped in the liquid whereas in Surface tension the body will be remaining on the layer of water without getting wet.
Let us observe these leaves on the surface of water. We could see them moving in the water without getting wet.

For these leaves to be on the layer, there should be some force acted by the upward layer of water which keeps the leaf on the surface. This is nothing but the Surface tension. Let us study more about the Surface tension in this section.

What is Surface Tension?

The Surface tension is defined as: The dragging force observed in the given liquid per unit length. It is given by the formula:

T = FL

where,
F = Force per unit length
L = Length over which the force acts…

Read more here- https://passnownow.com/lesson/surface-tension/

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