In increasing the area of the film of soap solution from 50cm^2to 100cm^2,3.0×10^-4J of w
ork is done.calculate the value of surface tension of the soap
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Explanation:
surface tension=work done/change in area
= 3*10^-4/{(100-50)*10^-4}
= 3/50 = 0.06 N/m
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