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What is the dimension of surface tension?

(a) MLT^-2

(b) LT^-2

(c) MT^-2

(d) Dimensionless

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This interesting question is from Dimensions and Units topic in section Introduction & Unit Systems of Food Processing Unit Operations

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Best answer
The correct answer is (c) MT^-2

Explanation: The surface tension is defined as the force per unit length. The dimensional formula of force is MLT^-2 and for length, it is L. Therefore, the dimension of surface tension is MT^-2.

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