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What is S.I. unit of Surface Tension?

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in Chemistry – Class 11 by (148k points)
What is S.I. unit of Surface Tension?

(a) Dyne/meter

(b) Newton-meter

(c) Newton/meter

(d) Dyne-meter

The question was posed to me in an online interview.

Enquiry is from States of Matter in chapter States of Matter of Chemistry – Class 11

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Best answer
The correct choice is (c) Newton/meter

Explanation: Surface Tension is the tendency of a fluid to occupy least surface area as possible. It is defined as the force per unit distance. So, the units of surface tension are Newton/meter in S.I. the system, Dyne/cm in C.G.S system.

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