There is a howizontal film of soap solution. On it a thread is placed in the form of a loop. The film is pierced inside the loop and the thread becomes a circular loop of radius `R`. If the surface tension of the loop be `T`, then what will be the tension in the thread?A. `pi R^(2)//T`B. `pi R^(2)T`C. `2pi RT`D. `2RT`

There is a howizontal film of soap solution. On it a thread is placed

1.	There is a howizontal film of soap solution. On it a thread is placed in the form of a loop. The film is pierced inside the loop and the thread becomes a circular loop of radius `R`. If the surface tension of the loop be `T`, then what will be the tension in the thread?A. `pi R^(2)//T`B. `pi R^(2)T`C. `2pi RT`D. `2RT`
Answer» Correct Answer - D

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