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The work done in increasing the size of ...

The work done in increasing the size of soap film with dimensions `8cm xx3.75cm` to `10cmxx6cm` is `2xx10^(-4)J`. The surface tension of the film in `(N)/(m)` is

A

`1.65xx10^(-2)`

B

`3.3xx10^(-2)`

C

`6.6xx10^(-2)`

D

`8.25xx10^(-2)`

Text Solution

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The correct Answer is:
B
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ALLEN -RACE-Basic Maths (Properties of Matter & Fluid Mechanics)(Surface Tension)
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