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?

Options

A. `piR^(2)//T`
B. `piR^(2)T`
C. `2piRT`
D. `RT`

Answer

D