Question

6. What are the SI units of surface
tension?
0
kg m-1 S-1
O
N m-1
O Mol/litre
Clear selection​

Answer 1

Explanation:

In terms of energy

Consequently, surface tension can be also measured in SI system as joules per square meter and in the cgs system as ergs per cm2.

The tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.

OR 

It is the tangential force acting on unit surface length.Hence, SI unit for surface tension is N/m.

Answer 2

Answer:

Nm-1

Explanation:

Newton per Meter Nm-1

is the answer

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