the value of the surface tension of the liquid is

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A rectangular film of liquid is extended from (4 cm x 2 cm) to (5 cm x 4 cm). If the work done is 3 × 10^−4 J, the value of the surface tension of the liquid is
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Aug
A rectangular film of liquid is extended from (4 cm x 2 cm) to (5 cm x 4 cm). If the work done is 3 × 10^−4 J, the value of the surface tension of the liquid is A rectangular film of liquid is extended from (4 cm x 2 cm) to (5 cm x [...]
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