Physics, asked by Tragicgirl773, 6 months ago

What is the potential energy of a soap film formed on a frame of area 5×10^-3 m^2 ? The surface tension of soap solution 30×10^-3 N/m.
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Answers

Answered by priyapugalendhi0312
1

Answer:

Potential energy of the firm

= 2TA

=2×40×10

−3

×4×10

−3

=32×10

−5

J

Change in potential energy

=2T△A

=2×10

−3

[4×10

−3

−2×10

−3

]

=16×10

−5

J

Answered by vaibhavshinde145
1

Answer:

Potential energy of the firm

= 2TA

=2×40×10

−3

×4×10

−3

=32×10

−5

J

Change in potential energy

=2T△A

=2×10

−3

[4×10

−3

−2×10

−3

]

=16×10

−5

J

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