Question

define serface tension of a liquid and give its si unit

Answer 1

Hi friend here is your answer.

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Surface tension-- The pressure on the surface of the liquid by the particles that is present on the surface by which they minimise the surface area is known as surface tension.

Unit-- Newton/meter

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Answer 2

Surface tension is the tendency of fluid surfaces to shrink into the minimum surface area possible. Surface tension allows insects, usually denser than water, to float and slide on a water surface.

It's SI unit is Newton per metre

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