Explain how surface tension can be measured experimentally.
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Surface tension is defined as the amount of energy required to increase the surface area of a liquid by a unit amount. .. In this experiment, you will be making and using a single beam balance to measure the force exerted by surface tension on a needle, floating on the surface of the water.
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One of the methods to measure surface tension of a liquid is to let the liquid drip. Liquid in a capillary tube forms drops at the bottom of the tube. The drops will gradually grow and, when they reach a sufficient size, they will separate from the liquid.
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