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The surface tension of water at 0ºc is 75·5 dyne/em. Find surface tension of water at 25°C. [α for water = 0·0021/°C]
Appears in these question papers
Draw a neat labelled diagram showing forces acting on the meniscus of water in a capillary tube.
In which of the following substances, surface tension increases with increase in temperature ?
- Molten copper
- Molten iron
Derive Laplace’s law for spherical membrane of bubble due to surface tension.
'n' droplets of equal size of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to...................
(T =Surface tension of water)
The surface tension of water at 0°C is 75-5 dyne/cm. Calculate surface tension of water at 25°C.
(∝ for water = 2*7x1O-3/°C)
- Angle Of Contact
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