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The surface tension of soap solution is ...

The surface tension of soap solution is `0.03 Nm^(-1)`. The work done in blowing to form a soap bubble of surface area `40 cm^2`, (in J), is

A

`1.2xx10^-4`

B

`2.4xx10^-4`

C

`12xx10^-4`

D

`24xx10^-4`

Text Solution

Verified by Experts

The correct Answer is:
B
For a soap bubble,
Work done ,`W=sigmaxx2xxA=0.03xx2xx40xx10^(-4)`
`=2.4xx10^(-4)J`
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