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Floating and Sinking

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A massless inextensible string in the form of a loop is placed on a horizontal film of soap solution of surface tension T.If film is pierced inside the loop and it convert into a circular loop of diameter d,then the tension produced in the string is (1)Td (2)Td (3)dT (4)dT/4

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Q. A massless inextensible string in the form of a loop is placed on a horizontal film of soap solution of surface tension

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