Question

Surface area of water in a vessel is 50cm². It is transferred into another container whose area of
cross section is 200 cm? If surface tension of water is 70 dyne/cm, then the work done due to
surface tension is
1) 0.021 J
2) 0.00105 J
3) 0.0105 erg
4) 0.021 kg​

Answer 1

C is the answer to this question

Answer 2

3). THIRD IS THE CORRECT ANSWER FOR YOUR QUESTION.............................

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