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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is surface tension?
💡 Hint: Think of how beads of water form on a surface.
Question 2
Easy
How does surface tension affect shape of small water droplets?
💡 Hint: Remember the shape with the least surface area.
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 is surface tension?
- A measure of the internal pressure in a liquid
- A force that minimizes the surface area of a liquid
- The temperature at which a liquid boils
💡 Hint: Think about why water drops form shapes.
Question 2
True or False: The angle of contact affects whether a liquid will wet a surface.
- True
- False
💡 Hint: Consider how water behaves on different materials.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the pressure inside a soap bubble with radius 3 mm at room temperature if the surface tension of soap solution is 0.05 N/m.
💡 Hint: Review the pressure difference concept.
Question 2
Discuss the implications of varying surface tensions in different liquid combinations, like oil and water.
💡 Hint: Think about why oil and water don't mix.
Challenge and get performance evaluation