CBSE Class 12-science Answered
Surface tension related question?
Asked by | 26 Mar, 2008, 07:34: PM
Expert Answer
when the soup is cold the surface tension is more, which is why you often see a film formed on top of the soup if it is left to cool for a long time... this prevents individual particles from flowing freely and thus area of contact is less, while when soup is hotter, surface tension is overcome to an extent and the surface area for contact increases
Answered by | 22 May, 2008, 10:50: AM
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