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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)
Question appears in these question papers
In which of the following substances, surface tension increases with increase in temperature ?
- Molten copper
- Molten iron
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 ]
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]
Angle of contact for the pair of pure water with clean glass is _______.
Water rises to a height 3.2 cm in a glass capillary tube. Find the height to which the same water will rise in another glass capillary having half area of cross section.
- Angle Of Contact
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