Question

Find the work done in blowing a soap bubble of diameter 5.8 mm if the surface tension of soap solution is 2 x 10 4 N/m.​

Answer 1

Answer:

r

1

=0

r

2

=0.006m

S=2.5×10

−2

Nm

−2

work done =S×8π×(r

2

−r

1

)

=2.5×10

−2

×8π×(.006)

2

−0

2

)

work done =0.226 joule