Define surface tension. State its S.I. unit.

Define surface tension. State its S.I. unit.
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1 Answer

Answer :

Definition:- The force acting per unit length of an imaginary line drawn to surface of liquid. 

OR 

The surface tension is defined as the property of liquids by virtue of which the surface of a liquid is under constant tension due to the tendency to contract and occupy minimum surface area. 

S.I. unit :- N/m
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