Q.
The force acting per unit length perpendicular to the line drawn on the surface of liquid and its SI unit respectively are
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a
gravitational force, New on
b
surface tension, Nm-1
c
surface energy, J
d
None of the above
answer is B.
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Detailed Solution
Surface tension is defined as the force acting per unit length perpendicular to the line drawn on the surface of liquid. Its SI unit is Nm-1.
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