Mechanical Properties of Fluids

Question: If work W is done in blowing a bubble of radius R from a soap solution, then the work done in blowing a bubble of radius 2R from the same solution is

1) $W/2$

2) $2W$

3) $4W$

4) $2\frac{1}{3}$W

Solution:

Explanation: No Explanation

Surface tension surface energy

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