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A raindrop of diameter 4 mm is about to fall on the ground. Calculate the pressure inside the raindrop. [Surface tension of water T = 0.072 N/m, atmospheric pressure = 1.013 x 105 N/m2 ]
Question appears in these question papers
Derive Laplace’s law for spherical membrane of bubble due to surface tension.
Angle of contact for the pair of pure water with clean glass is _______.
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]
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)
Derive the relation between surface tension and surface energy per unit area.
- Angle Of Contact
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