Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define capillarity.
💡 Hint: Think about how water moves in a straw.
Question 2
Easy
What role does surface tension play in capillary rise?
💡 Hint: Consider what happens at the surface of the water.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What primarily drives capillary rise?
- Pressure difference
- Cohesion
- Surface tension
💡 Hint: Consider what occurs at the surface of the liquid.
Question 2
True or False: The angle of contact can affect how high a liquid rises in a tube.
- True
- False
💡 Hint: Reflect on the beading effect of water.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A glass tube has an outer diameter of 5 mm and an inner diameter of 3 mm. If the angle of contact is 30 degrees and the surface tension of water is 0.072 N/m, calculate the height of water rise.
💡 Hint: Substitute known values for \\(\\sigma\\), \\(\\phi\\), \\(D\\), \\(d\\), and gravitational acceleration.
Question 2
Explain how increasing the inner diameter of an annular tube affects the capillary rise.
💡 Hint: Reflect on how the forces balance in larger tubes.
Challenge and get performance evaluation