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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is capillary action?
💡 Hint: Think about how water behaves in a straw.
Question 2
Easy
Define surface tension.
💡 Hint: Consider what happens when you try to float a paperclip on 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 causes the rise of liquid in a capillary tube?
- Gravity
- Surface Tension
- Atmospheric Pressure
💡 Hint: Consider what holds the liquid against gravity.
Question 2
True or False: Capillary action occurs only in solid tubes.
- True
- False
💡 Hint: Think of the example of a thin fabric soaking up water.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A capillary tube with a diameter of 1mm contains mercury. If the surface tension is 0.485 N/m, calculate the height of mercury rise.
💡 Hint: You will need the density of mercury and gravitational acceleration to solve.
Question 2
How does the introduction of a non-wetting fluid (like oil) into a capillary tube with water affect the capillary rise?
💡 Hint: Consider the properties of the fluids involved.
Challenge and get performance evaluation