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A soap bubble has radius 2 cm. The work ...

A soap bubble has radius 2 cm. The work done to double the radius is (surface tension of soap solution is `30 xx 10^-3 N//m`)

A

`1.1355 xx 10^-4 J`

B

`zero`

C

`4.532 xx 10^-4 J`

D

`2.261 xx 10^-4 J`

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CHETANA PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Exercise
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