2.1.3 - Capillarity Height and Angle of Contact
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Practice Questions
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What is capillarity?
💡 Hint: Think of how liquids behave in narrow tubes.
Define surface tension.
💡 Hint: Consider what happens at the surface of a water droplet.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What determines the height of capillarity in narrow tubes?
💡 Hint: Think about what allows water to rise in a thin straw.
True or False: A larger diameter necessarily leads to a higher capillary rise.
💡 Hint: Consider the differences between using a straw or a wide glass.
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Challenge Problems
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Calculate the height to which water will rise in a capillary tube with a radius of 0.5 mm and surface tension of 0.072 N/m at an angle of contact of 30 degrees.
💡 Hint: Ensure you convert all units to SI before substituting.
Discuss the implications of different liquid densities on capillary rise in various environments, providing examples.
💡 Hint: Consider real-life applications where the context may involve varying densities.
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