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A film of soap solution is trapped between a vertical frame and a light wire ab of length 0.1 m. If acceleration due to gravity g=10 ms−2 and surface tension T=25×10−3 Nm−1, then the load W that should be suspended from the wire to keep it in equilibrium is |
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Answer» A film of soap solution is trapped between a vertical frame and a light wire ab of length 0.1 m. If acceleration due to gravity g=10 ms−2 and surface tension T=25×10−3 Nm−1, then the load W that should be suspended from the wire to keep it in equilibrium is
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