Surface tension is the force per unit length acting along a liquid surface, preventing external forces from enlarging it.
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Surface tension is measured in 𝑁/𝑚 (Newtons per meter). This unit expresses the force required to increase the surface area of a liquid.
This question related to Chapter 9 physics Class 11th NCERT. From the Chapter 9. Mechanical Properties of Fluids. Give answer according to your understanding.
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