11 Chemistry States of Matter - Set No : 6 Question No :2
Question No : 2
Surface
tension of water is 73 dyne  at  . If surface area is increased by  , work done is |
| a) | 7.3 erg | b) |  |
| c) | 73 J | d) | 0.73 J |
Answer No : 2
(b)Work
done = surface tension  increase in area   |