1.

If surface tension of soap solution is equal to 2.5 xx10^(-2) Nm^(-1) , the work done to blow a soap bubble of diameter 0.6cm against surface tension forces will be

Answer»

`5.65 xx 10^(-6) J`
`11.2 xx 10^(-6)J`
`5.65 xx 10^(-8 )J`
`11.2 xx 10^(-8) J`

Answer :A


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