Work done in increasing the size of a so...

Work done in increasing the size of a soap bubble from a radius of 3cm to 5cm is nearly (Surface tension of soap solution `=0.03Nm^-1`)

A

`6xx10^(-3)`J

B

`3xx10^(-4)`J

C

`6xx10^(-4)`J

D

`3xx10^(-3)`J

Text Solution

Verified by Experts

The correct Answer is:

C

`W = T xx dA = 3 xx 10^(-2) xx20 xx5 xx10^(-4) xx 2 = 6 xx10^(-4)J`

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