what is surface energy

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Solution

The surface energy may therefore be defined as the excess energy at the surface of a material compared to the bulk, or it is the work required to build an area of a particular surface. Another way to view the surface energy is to relate it to the work required to cut a bulk sample, creating two surfaces.

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The surface tension of a liquid is 5 N/m. If a thin film of the area 0.02 m2is formed on a loop, then its surface energy will be?
//in One of the byju's video they derived that
surface energy = surface tension
then what is happening in the question
Surface tension is already given then why it is messing up with area and asking for surface energy ?

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