The work done in blowing a soap bubble o...

The work done in blowing a soap bubble of radius 0.02 cm is ,

A

`12.56 xx10^(-9)`J

B

`25.12xx10^(-9)`J

C

`251.2 xx 10^(-9)`J

D

`6.28 xx10^(-9)`J

Text Solution

Verified by Experts

The correct Answer is:

B

`Dw xx = 2xx T xx dA`

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