Choose the correct option based on the statements provided below:

1: Surface tension and spring constant have the same dimensions.

2: Both are equivalent to force per unit length.

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1 and 2 are correct and 2 is correct explanation of 1

1 and 2 are correct and 2 is not the correct explanation of 1

1 is true and 2 is false

1 is false and 2 is true

answer is B.

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Detailed Solution

Concept: Use the concept that spring force is F=kx, where k is the spring constant and x is the spring length, in this question. This can be used to calculate the basic dimension of spring force. Then apply the most fundamental definition of surface tension, which is force per unit length.
The spring force is the force exerted by a spring on an object attached to it, whether compressed or stretched. A force always acts on an item that compresses or extends a spring, restoring the object to its rest or equilibrium state.
Surface tension is the tension of the surface film or 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.
Hence, the correct option is 2.

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