The maximum force, in addition to the weight
required to pull a wire of 5.0 cm long from the
surface of water at temperature 20°C, is 728
dynes. The surface tension of water is
(1) 7.28 N/cm
(2) 7.28 dyne/cm
(3) 72.8 dyne/cm
(4) 7.28 x 102 dyne/cm
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Answer:
72.8 dyne/cm will be the surface tension of the water.
Explanation:
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