A film of liquid is formed between two straight parallel wires each of 10 cm long and at separation 0.5 cm . Calculate the work required to increase the separation between the wires by 1mm. Surface tension of liquid is 72×10−3N/m
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A film of liquid is formed between two straight parallel wires each of 10 cm long and at separation 0.5 cm . Calculate the work required to increase the separation between the wires by 1mm. Surface tension of liquid is 72×10−3N/m