Mathematics · Surface Tension Calculations
A thin film of water is formed between two straight parallel wires, each of length 8 cm, separated by a distance of 0.6 cm. If the surface tension of water is 0.07 N/m, the work done to increase the distance between the wires to 0.8 cm is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 133.6 μJ
- 222.4 μJ✓
- 311.2 μJ
- 444.8 μJ
Correct answer
22.4 μJ
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