One drop of soap bubble of diameter breaks into 27 drops having surface tension . The change in surface energy is |
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a) |
b) |
c) |
d) |

One drop of soap bubble of diameter breaks into 27 drops having surface tension . The change in surface energy is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

Surface tension (T )of a liquid is equal to the work (W ) required to increases the surface area of the liquid film by unity at constant temperature.

Also, volume of big drop

Where is volume of big drop of diameter D and V the volume of small drop of diameter

127 votes

127