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| 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. `2 pi RT`D. 2 RT |
| Answer» Correct Answer - D | |