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There is a howizontal film of soap solut...

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`

Text Solution

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The correct Answer is:
D
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ERRORLESS -SURFACE TENSION-Exercise
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