A film of water is formed between two straight parallel wires of length 10 cm each separated by 0.5cm If their separation is increased by 1mm while still maintaining their parallelism

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A film of water is formed between two straight parallel wires of length 10 cm each separated by 0.5cm If their separation is increased by 1mm while still maintaining their parallelism, how much work will have to be done (Surface tension of water =7.2×10-2 N m )
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Aug
A film of water is formed between two straight parallel wires of length 10 cm each separated by 0.5cm If their separation is increased by 1mm while still maintaining their parallelism, how much work will have to be done (Surface tension of water =7.2×10-2 N m ) A film of water is formed between two [...]
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