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'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)
Appears in these question papers
The energy of the free surface of a liquid drop is 5π times the surface tension of the liquid. Find the diameter of the drop in C.G.S. system.
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 for the pair of pure water with clean glass is _______.
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.
- Angle Of Contact
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